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chevy casting numbers

Discussion in 'The Hokey Ass Message Board' started by cowboyinachair, Dec 1, 2011.

  1. cowboyinachair
    Joined: Nov 17, 2010
    Posts: 201

    cowboyinachair
    Member
    from colorado

    here is some info that might be usefull to alot of people


    Chevy Block Casting Numbers
    Use these casting numbers to identify the block you have.
    Small Block Casting numbers
    Casting Number Years
    <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:eek:ffice:smarttags" /><st1:stockticker>CID</st1:stockticker> Comments
    330817 70-80 400 Car & Truck 2 & 4-bolt 3-freeze plugs
    355909 75-79 262/305 car & Truck 2-bolt
    360851 75-76 262 2-bolt
    361979 76-79 305 car & Truck 2-bolt
    366245 78-82 350 Bowtie High tin 4-bolt
    366286 82 350 Bowtie aluminum 4-bolt siamesed
    366287 82 350 Bowtie aluminum 4-bolt siamesed
    366299 82 350 Bowtie aluminum 4-bolt
    389257 67 302 2-bolt
    391436 68-73 307 2-bolt
    393288 65-67 283 2-bolt
    460703 78 350 4-bolt
    460776 76-79 305 Car & Truck 2-bolt
    460777 76-79 305 Car & Truck 2-bolt
    460778 76-79 305 2-bolt
    471511 79-82 267 Car & Truck 2-bolt
    3556519 58-61 283 2-bolt
    3703524 55 265 car & Corvette no oil filter 2-Bolt
    3720991 55-56 265 Car & Truck 2-bolt
    3731548 57 283 Car & Truck 2-bolt No side mount
    3737737 57-62 283 2-bolt
    3737739 57-62 283 2-bolt
    3756519 58-62 283 2-bolt
    3782870 62-67 327 car & Truck 2-bolt
    3789817 62-67 327 2-bolt
    3789935 61-66 283 car & Truck 2-bolt
    3790721 64-67 327 2-bolt Chevy II Nova Recessed filter
    3791362 66-67 327 2-bolt Chevy II Nova Recessed filter
    3791363 66-67 327 2-bolt Chevy II Nova Recessed filter
    3792563 65 327 2-bolt
    3792582 64-65 283 2-bolt
    3794226 57-63 283 2-boltTruck
    3794460 68-69 327 2-bolt
    3814660 68-69 327 2-bolt
    3830944 63 327 2-bolt
    3834810 65-67 283 car & Truck 2-bolt
    3834812 62-63 283 2-bolt
    3837739 58-62 283 2-bolt
    3849852 57-66 283 car & Truck 2-bolt
    3849859 57-66 283 car & Truck 2-bolt
    3849935 65-67 283 2-bolt
    3858174 64-67 327 car & Truck 2-bolt
    3858180 64-67 327 2-bolt
    3858618 68-76 350 2 & 4-Bolt
    3862194 65-67 283 2-bolt Chevy II Nova Recessed filter
    3864812 62-67 283 car & Truck 2-bolt
    3892657 64-67 302/327/350 car & Truck 2-bolt
    3892659 68-69 327 2-bolt Large journal
    3896944 67 283 2-bolt
    3896948 66-67 283 2-bolt
    3903352 67 327 2-bolt
    3914635 68-73 307 car & Truck 2-bolt
    3914636 68-73 307 car & Truck 2-bolt
    3914638 68 327 2-bolt
    3914653 68 307 2-bolt
    3914660 68-69 327 car & Truck 2-bolt
    3914678 68-79 302/327/350 car & Truck 2-bolt
    3931174 68 307 2-bolt Truck
    3932371 69-73 307 car & Truck 2-bolt
    3932373 69-73 307 car & Truck 2-bolt
    3932386 68-74 302-327-350 2 & 4-Bolt
    3932388 68-79 350 car & Truck 4-Bolt
    3932442 67 350 2-bolt Camaro
    3933180 68-69 327 car & Truck Large journal 2-Bolt
    3951509 70-80 400 car & Truck 2 & 4-Bolt 2-freeze plugs
    3951511 70-80 400 car & Truck 2 & 4-Bolt 3-freeze plugs
    3956618 68-79 302/327/350 2 & 4-Bolt
    3956632 69-73 307 car & Truck 2-bolt
    3959512 62-63 327 2-bolt
    3970010 69-79 302/350 car & Truck 2 & 4-Bolt Most common
    3970014 68-79 350 car & Truck 2 & 4-Bolt
    3970020 69-73 307 car & Truck 2-bolt
    3970024 69-73 307 car & Truck 2-bolt
    3992386 68-69 327 car & Truck Large journal 2-Bolt
    10036033 350 4-bolt Mexico cast Crate engine
    10051182 350 Car and Truck 2 & 4-bolt 1 Piece Seal Passenger stick
    10051184 86-up 350 Car & Truck 2 & 4-bolt Passenger stick 1-piece seal
    10054727 86-up 350 Car & Truck 2-bolt Passenger stick 1-piece seal
    10066036 86-up 350 Car & Truck 2 & 4-bolt Passenger stick 1-piece seal
    10066038 350 2 & 4-Bolt Mexico cast Crate engine
    10090511 90 350 4-bolt LT-5 ZR-1
    10125327 93-up 350 Camaro/firebird 2 & 4-bolt LT-1 Reverse cooling Roller cam
    10134996 400 4-bolt Bowtie Aluminum 400 Mains/Bore
    10153558 91-92 350 4-bolt LT-5 ZR-1
    10168588 94-96 265 2-bolt LT-1 Reverse cooling
    10199001 93-95 350 4-bolt LT-5 ZR-1
    10243878 96-up 305 2-bolt Vortec Roller
    10243880 96-up 350 2 & 4-Bolt Vortec Roller
    12550592 97-up 350 Crossbolted LS-1 Aluminum
    12551364 98 & UP 365 Gen
    <st1:stockticker>III</st1:stockticker> 6.0L Iron Block. LQ-4 and LQ-9
    12559378 97-up 350 Crossbolted LS-1 Aluminum
    12559846 97-up 350 Crossbolted LS-1 Aluminum
    12560621 97-up 350 Crossbolted LS-1 Aluminum
    12560629 97-up 350 Crossbolted LS-1 Aluminum
    12561168 97-up 350 Crossbolted LS-1 Aluminum
    12561358 99 & UP 293/325 Gen
    <st1:stockticker>III</st1:stockticker> 4.8L and 5.3L Iron Block.
    12562174 97-up 350 Crossbolted LS-1 Aluminum
    12573581 98 & UP 365 Gen
    <st1:stockticker>III</st1:stockticker> 6.0L Iron Block. LQ-4 and LQ-9
    12577184 98 & UP 365 Gen
    <st1:stockticker>III</st1:stockticker> 6.0L Iron Block. LQ-4 and LQ-9
    14010201 80-85 305 car & Truck 2-bolt Passenger stick
    14010202 80-85 305 car & Truck 2-bolt Passenger stick
    14010203 80-85 305 car & Truck 2-bolt Passenger stick
    14010205 80-82 267 car & Truck 2-bolt Passenger stick
    14010207 80-85 350 car & Truck 2 & 4-Bolt Passenger stick
    14010209 80-85 350 car & Truck 2 & 4-Bolt Passenger stick
    14010280 80-82 267 car & Truck 2-bolt Passenger stick
    14010287 80-82 350 2-bolt Passenger stick
    14011064 80-85 350 4-bolt Passenger stick
    14011148 87-89 350 2 & 4-Bolt Roller cam one piece seal
    14016376 80-82 267 2-bolt Passenger stick
    14016379 77-79 350 2 & 4-Bolt
    14016379 77-79 267 2-bolt dipstick in pan
    14016381 76-85 305 car & Truck 2-bolt Passenger stick After 79
    14016382 80-85 305 2-bolt Passenger stick
    14016383 80-85 305 2-bolt Truck
    14079287 86-90 350 2-bolt Passenger stick one piece seal
    14088526 87-89 350 2-bolt Roller cam Passenger stick 1-piece seal
    14088548 86-88 350 2-bolt Truck Passenger stick 1-piece seal
    14088551 86-88 305 Car & Truck 2-bolt Passenger stick 1-piece seal
    14093627 87-88 305 Car & Truck 2-bolt Passenger stick 1-piece seal
    14093638 87-95 350 Car & Truck 2 & 4-bolt Passenger stick 1-piece seal
    14094766 86-up 305 2-bolt Passenger stick one piece seal
    14101147 86-up 305 2-bolt Passenger stick one piece seal
    14101148 86-up 350 2 & 4-Bolt Passenger stick 1-Piece seal Roller cam
    14102058 86-88 305 Car & Truck 2-bolt Passenger stick 1-piece seal
    14316379 68-88 350 Car & Truck 2-bolt Passenger stick 1-piece seal

    Block Casting numbers
    Casting Number Years
    <st1:stockticker>CID</st1:stockticker> Comments
    340220 72-76 427 Truck Tall deck
    345014 74-86 454 Truck
    346236 74-76 454 2-bolt
    359070 74-90 454 Truck
    361959 73-85 454 Car & Truck
    364776 68-84 427 Truck Tall deck
    364779 68-88 366 Truck Tall deck
    399204 70-71 509 4-Bolt Aluminum Can-AM
    399289 73-79 454 2-bolt
    399293 77-78 366 Truck
    473478 68-84 427 Truck Tall deck
    3716362 396
    3732755 59-61 348
    3732811 58 348
    3751872 58 348
    3755011 59-61 348
    3771705 59-61 348
    3782012 58-61 348
    3782870 68-76 427 Truck Tall deck
    3788068 62 409
    3795623 61 409
    3798962 62-65 348 Truck
    3815707 58-61 348
    3824553 66-67 366 Truck
    3830814 63 409
    3839752 62-63 409
    3839754 65 409
    3844422 64 409
    3855961 66-67 396 2-bolt
    3855962 65-66 396 4-Bolt
    3855977 65-67 366 Truck Tall deck
    3857651 409 Marine
    3857655 62-65 348 Truck
    3857656 65 409
    3857658 409 Marine
    3860386 62-64 409
    3860387 58 348
    3869942 66-67 427 2 & 4-Bolt
    3873858 66 396 4-Bolt
    3902406 67 396 2 & 4-Bolt
    3902466 65-67 396
    3904351 67 427 2 & 4-Bolt
    3904354 66-67 366 Truck Tall deck
    3916319 68-85 366 Truck Tall deck
    3916321 68 427 2 & 4-Bolt
    3916323 68 396 2 & 4-Bolt
    3918319 66-70 366 Truck
    3925521 68-85 366 Truck Tall deck
    3935439 68-69 427 2 & 4-Bolt
    3935440 68-69 396 2 & 4-Bolt
    3937724 68-85 366 Truck Tall deck
    3937726 68-84 427 Truck Tall deck
    3946052 69 427 ZL-I Aluminum 4-Bolt
    3946053 97 427 ZL-I Aluminum 4-Bolt 2nd design
    3955270 69 427 2 & 4-Bolt
    3955272 69 396/402 2 & 4-Bolt
    3955274 68-85 366 Truck Tall deck
    3955276 68-84 427 Truck Tall deck
    3963512 69-71 427/454 2 & 4-Bolt COPO
    3963513 73-76 454
    3965440 68-69 396
    3965449 68-72 396
    3969852 68-84 366 Truck
    3969854 69-72 396/402/454 2 & 4-Bolt
    3969858 68-84 427 Truck Tall deck
    3995623 61 409
    3999289 72-78 454 Car & Truck 2-Bolt
    3999290 72 402 2-bolt
    3999293 68-85 366 Truck Tall deck
    3999294 68-84 427 Truck Tall deck
    6272176 68-76 366 Truck
    6272177 72 402 2-bolt
    6272181 73-76 427 Truck
    10051107 454 4-Bolt Bowtie IV Short deck
    10068286 90-91 454 4-Bolt IV Short deck
    10069284 427 Truck
    10114182 91-95 454 4-Bolt Gen-5
    10114183 91-95 366 Truck Gen-5
    10114184 91-95 427 Truck Gen-5
    10134366 454 4-Bolt Gen-5 Bowtie Tall deck
    10185050 454 4-Bolt Gen-5 Bowtie Short deck
    10237297 96-up 454 4-Bolt Vortec 7400 Gen-6
    10237300 96-up 502 4-Bolt 4.466 bore Gen-6
    12550313 91-95 454 4-Bolt Gen-5
    12556110 01-up 496 4-Bolt Vortec 8100 Gen-7
    14015445 75-90 454 Car & Truck
    14015543 87-90 454 4-Bolt Gen-5
    14044807 454 4-Bolt IV Bowtie Tall deck
    14096859 502 4-Bolt Gen-5
    24502504 454 4-Bolt Gen-5 Bowtie Short deck
    24502572 4-Bolt DRCE-2 Olds "9.5"" deck"


    Crankshaft Identification
    Use these casting numbers to identify the crankshaft you have.
    Small Block Casting numbers
    Casting Number
    <st1:stockticker>CID</st1:stockticker> Years Journals Stroke Comments
    1130 307/327 68-73 2.45/2.10 3.25 Nodular Iron
    1178 302 2.45/2.10 3 Forged
    1181 305/350 68-76 2.45/2.10 3.48 Nodular Iron
    1182 350 2.45/2.10 3.48 Forged
    2680 327 2.30/2.00 3.25 Forged
    2690 350 2.45/2.10 3.48 Forged
    3279 302 68-69 2.45/2.10 3 Forged
    4577 327 62-67 2.3/2.0 3.25 Nodular Iron
    4672 307/327 68-73 2.45/2.10 3.25 Nodular Iron
    310514 350 77-85 2.45/2.10 3.48 Nodular Iron
    330550 350 73-75 2.45/2.10 3.48 Forged
    354431 262 75-76 2.45/2.10 3.1 Nodular Iron
    3727449 283 57-67 2.3/2.0 3 Forged
    3729449 265 55-57 2.3/2.0 3 Forged
    3734627 327 62-67 2.3/2.0 3 Forged
    3735236 265/283 55-67 2.3/2.0 3 Forged
    3735263 283 57-63 2.3/2.0 3 Forged
    3782680 327 62-67 2.3/2.0 3.25 Forged
    3814671 327 2.30/2.00 3.25 Forged
    3815822 265/283 55-67 2.3/2.0 3 Forged
    3835236 283 57-65 2.3/2.0 3 Forged
    3836266 265/283 56-63 2.3/2.0 3 Forged
    3849847 283 57-67 2.3/2.0 3 Forged
    3876764 283 64-67 2.3/2.0 3 Nodular Iron
    3876768 283 64-67 2.3/2.0 3 Nodular Iron
    3884577 327 2.30/2.00 3.25 Forged
    3892690 350 68-85 2.45/2.10 3.48 Forged
    3911001 307/327 68-73 2.45/2.10 3.25 Nodular Iron
    3911011 307/327 68-73 2.45/2.10 3.25 Nodular Iron
    3914672 327 2.45/2.10 3.25 Forged
    3923279 302 2.45/2.10 3 Forged
    3932442 305/350 69-85 2.45/2.10 3.48 Nodular Iron
    3941174 307/327 68-73 2.45/2.10 3.25 Nodular Iron
    3941178 302 68-69 2.45/2.10 3 Forged
    3941182 350 68-76 2.45/2.10 3.48 Forged
    3941188 350 2.45/2.10 3.48 Forged
    3949847 283 64-67 2.3/2.0 3 Nodular Iron
    3951130 327 2.45/2.10 3.25 Forged
    3951529 400 70-80 2.65/2.10 3.75 Nodular Iron
    10106122 350 90-95 2.76/2.10 3.66 Forged LT-5 ZR-1
    10168568 265 2.45/2.10 3 Cast One Piece Seal
    12552216 346 2.558/2.10 3.62 Cast LS-1 One Piece Seal
    14088526 305 1986 2.45/2.10 3.48 Nodular Iron One piece seal
    14088532 350 86-88 2.45/2.10 3.48 Forged One piece seal
    14088535 305/350 86 & UP 2.45/2.10 3.48 Nodular Iron One piece seal
    14088552 350 86 & UP 2.45/2.10 3.48 Forged One piece seal

    Big Block Crankshaft
    Casting Number
    <st1:stockticker>CID</st1:stockticker> Years Journals Stroke Comments
    3520 454 2.75/2.20 4 Forged
    3521 454 70-88 2.75/2.20 4 Forged LS-6
    3524 454 2.75/2.20 4 Forged
    6223 366/396/402/427 68-76 2.75/2.20 3.76 Forged
    7115 366/396/402/427 65-76 2.75/2.20 3.76 Forged
    7416 454 70-88 2.75/2.20 4 Forged
    7463 454 2.75/2.20 4 Forged
    336782 454 2.75/2.20 4 Cast
    353039 454 70-88 2.75/2.20 4 Nodular Iron
    353638 454 2.75/2.20 4
    359730 454 2.75/2.20 4
    3732692 348 2.75/2.20 4
    3732692 348 1958 2.50/2.20 3.25 Forged
    3733223 409 62-65 2.50/2.20 3.5 Forged
    3733223 348 2.50/2.20 3.25 Forged
    3733226 348 2.50/2.20 3.25 Forged
    3733226 348 1958 2.50/2.20 3.25 Forged
    3741640 348 2.50/2.20 3.25 Forged
    3741640 348 59-61 2.50/2.20 3.25 Forged
    3741642 348 2.50/2.20 3.25 Forged
    3741642 348 59-61 2.50/2.20 3.25 Forged
    3788072 409 1961 2.50/2.20 3.5 Forged
    3788072 409 2.50/2.20 3.5 Forged
    3795589 409 61-62 2.50/2.20 3.5 Forged
    3795589 409 2.50/2.20 3.5 Forged
    3804816 366/396/402/427 61-76 2.75/2.20 3.76 Nodular Iron
    3815822 348 58-61 2.50/2.20 3.25 Forged
    3815822 348 2.50/2.20 3.25 Forged
    3824553 348 58-61 2.50/2.20 3.25 Forged
    3824553 348 2.50/2.20 3.25 Forged
    3829027 409 2.50/2.20 3.5 Forged
    3829027 409 1963 2.50/2.20 3.5 Forged
    3837466 409/427 2.50/2.20 3.65 Forged Z-11Special performance
    3837466 409 1963 2.50/2.20 3.5 Forged Z-11
    3838416 409 64-65 2.50/2.20 3.5 Forged
    3838416 409 2.50/2.20 3.5 Forged
    3856223 396/402 65-71 2.75/2.20 3.76 Nodular Iron
    3863114 402 2.75/2.20 3.76
    3863144 366/396/402 68-85 2.75/2.20 3.76 Forged
    3874874 366/396/402/427 66-85 2.75/2.20 3.76 Forged
    3879621 427 2.75/2.20 3.76 Forged
    3882841 396 2.75/2.20 3.76 Forged
    3882842 366/396/427 2.75/2.20 3.76 Forged
    3882849 366/396/427 2.75/2.20 3.76 Forged
    3887114 396 2.75/2.20 3.76 Forged Special performance
    3904815 366/396/402/427 65-76 2.75/2.20 3.76 Nodular Iron
    3962523 454 2.75/2.20 4 Forged
    3963521 454 2.75/2.20 4 Forged Special performance
    3963524 454 70-72 2.75/2.20 4 Forged
    3965746 NA NA NA Semi finished Forged crank
    3965753 NA NA NA Semi finished Forged
    3967416 454 70-71 2.75/2.20 4 Forged
    3967463 454 70-88 2.75/2.20 4 Forged
    3975495 454 2.75/2.20 4
    3975945 454 2.75/2.20 4
    3993804 NA NA NA Raw Forged crank
    3993878 454 2.75/2.20 4 Forged
    10051169 NA NA NA Raw Forged
    10114186 427 2.75/2.20 3.76 Forged
    10114187 396 2.75/2.20 3.76 Cast
    10114188 454 2.75/2.20 4 Cast One Piece Seal
    14097044 454/502 2.75/2.20 4 Forged One Piece Seal
    Cylinder Head ID
    Use these casting numbers to identify the heads you have.
    Small Block Casting numbers
    Casting Number
    <st1:stockticker>CID</st1:stockticker> Years Valves Comments
    10065202 350 82-86 1.94/1.50 76cc
    10065203 350 82-86 1.94/1.50 76cc
    10065204 350 82-86 1.94/1.50 76cc
    10065205 305 82-86 1.84/1.50 58cc
    10065206 350 82-86 1.94/1.50 76cc
    10065207 305 82-86 1.84/1.50 58cc
    10088113 350 86-92 1.94/1.50 58cc Corvette Aluminum
    10120928 350 87-94 1.94/1.50 76cc
    10125320 350 94-96 2.00/1.55 Gen II LT1 cast iron version,
    10128374 350 92-97 2.00/1.55 Gen II LT1 53 CC angle plug aluminum
    10134363 Bowtie High Port 60 CC 210 ~ 258 CC
    10159550 350 87-94 1.94/1.50 76cc
    10159551 305 87-94 1.84/1.50 58cc
    10159552 350 87-94 1.94/1.50 76cc
    10159553 305 87-94 1.84/1.50 58cc
    10185040 Splayed vavle head 45 CC angle plug
    10205245 350 93 2.00/1.55 Gen II LT1 angle plug aluminum reverse flow cooling 175/68cc ports
    10207643 350 94-97 2.00/1.55 Gen II LT1 angle plug aluminum reverse flow cooling 175/68cc ports
    10208890 265 94-96 2.00/1.55 Gen II L99 4.3 Liter V-8, cast iron, reverse flow
    10215339 346 97 2.00/1.55 Gen
    <st1:stockticker>III</st1:stockticker> LS1 aluminum 68cc
    10239906 305/350 96-up 1.94/1.50 68cc Vortec
    12367713 2.00/1.55 GM Fast burn 62 CC 210 CC intake runner angle plug Vortec
    12480005 346 0 2.125/1.625 Gen
    <st1:stockticker>III</st1:stockticker> LS1 "GTZ" aluminum 38cc angle plug
    12480011 SB2.2 head 48 ~ 54 CC angle plug 284 CC intake runner Bare heads.
    12480034 2.02/1.60 Bowtie Phase
    <st1:stockticker>III</st1:stockticker> 64cc Angle plug 184 cc intake runner
    12506450 350 87-94 1.94/1.50 76cc
    12509859 305 87-94 1.84/1.50 58cc
    12516852 350 87-94 1.94/1.50 76cc
    12551561 350 96 2.00/1.55 Gen II LT1 angle plug aluminum reverse flow cooling
    12552520 305 97-99 1.84/1.5 Vortec Truck L-35
    12554290 350 94-96 2.00/1.55 Gen II LT1 cast iron version
    12555690 350 96 2.00/1.55 Gen II LT-4 55 CC 195 CC intake runner Angle Plug
    12555690 350 96 2.00/1.55 Gen II LT-4 55 CC 195 CC intake runner Angle Plug
    12556743 325 99 & UP 2.00/1.55 Gen
    <st1:stockticker>III</st1:stockticker> 5.3L aluminum truck and van
    12558059 305 97 1.84/1.5 L-35 Vortec truck
    12558062 350 98 1.94/1.5 L-31 Vortec truck 64cc chambers 170cc intake port
    12558062 305/350 96-up 1.94/1.50 68cc Vortec
    12558806 346 97-98 2.00/1.55 Gen
    <st1:stockticker>III</st1:stockticker> LS1 aluminum 68cc
    12559853 346 99 & UP 2.00/1.55 Gen
    <st1:stockticker>III</st1:stockticker> LS1 aluminum 68cc
    12559895 325 00 & UP 2.00/1.55 Gen
    <st1:stockticker>III</st1:stockticker> 5.3L aluminum
    12564241 346 00 & UP 2.00/1.55 Gen
    <st1:stockticker>III</st1:stockticker> LS1 aluminum 68cc
    12564243 346 2 2.00/1.55 Gen
    <st1:stockticker>III</st1:stockticker> LS6 aluminum 68cc
    12564243 346 2.00/1.55 Gen
    <st1:stockticker>III</st1:stockticker> LS-6 vette head 65 CC
    14008856 267 79-81 1.71/1.50
    14010201 305 82-85 1.84/1.50 58cc
    14011034 350 80-up 2.02/1.60 64cc Bowtie
    14011049 350 82-up 2.02/1.60 64cc Bowtie Aluminum
    14014415 267/305 80-85 1.71/1.50 64cc Crack prone
    14014416 267/305/350 80-86 1.84/1.50 64cc Crack prone
    14019821 350 80-86 1.84/1.50 76cc
    14019924 267 79-81 1.71/1.50
    14019926 305 80-86 1.84/1.50
    14020516 305/350 80-86 1.84/1.50
    14020517 350 80-86 1.84/1.50 76cc
    14020555 305 81
    14020556 350 81
    14022206 350 80 1.94/1.50 76cc
    14022301 305 80-86 1.84/1.50 58cc
    14022601 267/305 79-86 1.72/1.50 1.84/1.50 58cc
    14022801 305 80-86 1.72/1.50 58cc
    14034806 267 78-82 1.72/1.50
    14034807 305 78-82 1.72/1.50
    14034808 350 80-86 1.84/1.50 76cc
    14034810 350 80-86
    14034811 350 80-86
    14039121 305 81-86
    14039122 305 81-86
    14071114 350 80-86
    14075381 350 80-86
    14079261 350 82-85
    14085844 350 80-86
    14089119 350 80-86
    14096217 350 90-up 1.94/1.50 64cc Crate heads
    14101081 305 87-94 1.84/1.50 58cc
    14101083 350 88-94 1.94/1.50 64 cc
    14102187 305 87-95 1.84/1.50 58cc
    14102191 305/350 87-95 1.84/1.50
    14102193 305/350 87-95 1.84/1.50
    24502559 96-97 Bowtie SB2 1st design"mirror ports" aluminum
    25534351C 2.00/1.55 Vortec Bowtie 65 CC 175 cc intake runner
    25534371C 2.00/1.55 Vortec Bowtie 65 CC 206 cc intake runner
    3238882 350 68-69 1.94/1.50 76cc
    3297185 307/327/350 57-67 1.72/1.50
    330545 350/400 71-75 2.02/1.60 76cc
    330862 400 71-73 1.94/1.50
    333881 350 71-76 2.02/1.60 76cc
    333882 350/400 70-80 1.94/1.50 76cc
    340292 350 73-80 2.02/1.60 64cc Angle plugs turbo' head No heat riser
    354434 262/305 75-80 1.72/1.50 60cc
    358741 262/305 71--79 1.72/1.50
    359944 350 71-79 1.94/1.50 76cc
    3636839 265 55 1.72/1.50
    3703523 265 55 1.72/1.50 195HP
    3713358 265 55-56 1.72/1.50
    3713569 265 55-56 1.72/1.50
    3725306 265 56 1.72/1.50 210HP Corvette
    3731262 265 56 1.72/1.50 Dual Quad Corvette
    3731539 283 57-66 1.72/1.50 283HP Corvette
    3731544 265/283 55-61 1.72/1.50 Dual Quad Corvette
    3731554 265/283 55-63 1.72/1.50
    3731556 283 57 1.72/1.50
    3731762 265 56 1.72/1.50 Dual Quad Corvette
    3737775 283/327 62-67 1.72/1.50
    3740997 283 57 1.72/1.50 Dual Quad FI & 4-brl 220-270HP
    3743056 283 58 1.72/1.50
    3743096 327 62-67 1.72/1.50
    3747363 265 57-62 1.72/1.50
    3748056 327 62-67 1.72/1.50
    3748720 283 57-58 1.72/1.50 Dual Quad FI & 4-brl Corvette
    3748770 283 55-62 1.72/1.50 Dual Quad FI & 4-brl Corvette
    3748772 283 57-62 1.72/1.50 Dual Quad FI & 4-brl Corvette
    3755537 283 57-62 1.72/1.50
    3755538 283 59 1.72/1.50 250-290HP FI Corvette
    3755539 283 58-62 1.72/1.50
    3755549 283 57-62 1.72/1.50
    3755550 283 57-62 1.72/1.50 Dual Quad FI & 4-brl Corvette
    3755585 327 62-67 1.72/1.50
    3755896 283 62-64 1.72/1.50
    3760116 283 59 1.72/1.50 Dual Quad FI & 4-brl Corvette
    376445 350 80-84 1.72/1.50
    376450 262/305 75-76 1.72/1.50
    376495 350 Jun-79 1.94/1.50 76cc
    3767460 265/283/327 55-67 1.72/1.50 Car & Truck Corvette
    3767462 327 62-67 1.72/1.50
    3767465 283 60-61 1.72/1.50 Dual Quad FI & 4-brl Corvette
    3767754 283 60-61 1.72/1.50
    3767792 283 60-67 1.72/1.50
    3770126 327/350 67-70 1.94/1.50
    3773012 265 55 1.72/1.50
    3774634 327 64-67 1.72/1.50
    3774682 283/327 60-67 1.72/1.50
    3774684 283/327 57-67 1.72/1.50
    3774690 283 58 1.72/1.50 FI Corvette
    3774692 283 58-64 1.72/1.50 Dual Quad FI & 4-brl Corvette
    3782461 302/327/350 61-70 1.94/1.50 Dual Quad FI & 4-brl Corvette 2.02/1.60 Doubble humps 64cc
    3782462 327 67 1.94/1.50 Corvette 2.02/1.60
    3792563 327 65-67
    3795896 283/307/327 58-72 1.72/1.50 60cc
    3796896 283 64-67 1.72/1.50 60cc Chevy II
    3798996 327 63-67
    3814462 350 67 1.94/1.50
    3814480 283/327 60-67 1.72/1.50
    3814482 327 62-67 1.72/1.50
    3817680 283 59 1.72/1.50 FI 4-brl
    3817681 327 62-67 1.72/1.50
    3817682 283 61-62 1.72/1.50
    3836839 265 55 1.72/1.50
    3836842 283/327 57-67 1.72/1.50
    3836924 283 63-64 1.72/1.50
    3836942 283 58-62 1.72/1.50
    3837063 283 58-62 1.72/1.50
    3837064 265/283 56-62 1.72/1.50
    3837065 265 55-56 1.72/1.50
    3837775 283/327 62-67 1.72/1.50
    383882 400 71-73
    3848720 283 57-58 1.72/1.50
    3849820 327 65 1.72/1.50
    3854520 283/327 62-67 1.72/1.50
    3867802 283 57-60 1.72/1.50 FI Corvette
    3873064 265 56-57 1.72/1.50
    3876487 350 71-73 1.94/1.50 76cc
    3876775 283/327 57-67 1.72/1.50 76cc
    3878775 327 64-67 1.72/1.50
    3884520 283/327 60-67 1.72/1.50 60cc
    3890462 302/327/350 62-68 1.94/1.50 2.02/1.60 64cc Doubble humps
    3891462 302/327/350 62-67 1.94/1.50 2.02/1.60 64cc
    3891492 327 64-67 1.94/1.50
    3911011 327 68
    3911032 307/327 68-70 1.72/1.50 70cc
    3912264 283 58-62 1.72/1.50
    3912265 283 63-64 1.72/1.50
    3912291 302/327/350 68-70 1.94/1.50 2.02/1.60 64ccDoubble humps
    3912311 350 67 1.94/1.50
    3912313 327 65-73 1.72/1.50
    3917264 302 67 2.02/1.60 64cc Z-28
    3917290 327 68-70 1.72/1.50
    3917291 302/327/350 62-69 1.94/1.50 2.02/1.60 64cc Doubble humps
    3917292 327 67-68 1.94/1.50
    3917293 307/327 68-69 1.72/1.50 76cc
    3921175 327 66 1.94/1.50
    3923441 350 67-76 1.94/1.50 76cc
    3927185 307/327/350 68-79 1.72/1.50 70cc
    3927186 302/327/350 68-72 1.94/1.50 2.02/1.60 64cc Doubble humps Bolt holes
    3927187 302/350 69-70 2.02/1.60 64cc Corvette
    3927188 307/327/350 69 1.72/1.50 76cc
    3928454 307 68 1.72/1.50
    3928455 302/327 68 2.02/1.60 64cc 325 & 350HP
    3928494 327 68 2.02/1.60 64cc 350HP 4-brl
    3928495 327 68 1.72/1.50
    3931633 307 68-73 1.72/1.50
    3931635 350 68-76 1.94/1.50 76cc
    3931637 327 68-69
    3931638 327 68 1.72/1.50
    3931639 302 68 2.02/1.60 64cc
    3932441 327/350 67-79 1.94/1.50 76cc
    3932454 307/350 68-799 1.72/1.50 76cc
    3933148 350 68-73 76cc
    3941174 327 68 1.72/1.50
    3946812 350 69 1.72/1.50
    3946813 350 69-79 76cc
    3947014 350 68-70
    3947040 302/327/350 68-70 1.94/1.50 2.02/1.60 64cc
    3947041 302/327/350 68-79 1.94/1.50 2.02/1.60 64cc
    3951598 400 70-71 1.94/1.50 76cc
    3961598 400 70-76 1.94/1.50 76cc
    3964286 350 68-77 1.94/1.50 76cc
    3970126 327/350 67-79 1.72/1.50
    3973195 400 71-73 1.94/1.50 76cc
    3973414 327/350 64-70 2.02/1.60 64cc Z-28 LT-1 corvette
    3973487 350 68-79 1.94/1.50 2.02/1.60 76cc
    3973487X 350 68-73 1.94/1.50 2.02/1.60 76cc X cast 10cc's
    3973493 400 70-76 1.94/1.50 76cc
    3986316 350 71-72 2.02/1.60 76cc
    3986330 350 69-79 1.94/1.50 76cc
    3986339 307/350 68-79 1.72/1.50 76cc
    3986388 350 68-79 1.72/1.50 76cc
    3990941 307/350 68-82
    3991492 327/350 68-73 1.94/1.50 2.02/1.60 64cc Angle plug
    399380 400 70-73 76cc
    3997417 307 71 1.72/1.50
    3998916 350/400 72-75 2.02/1.60 76cc
    3998920 350 72-75 1.94/1.50 76cc
    3998991 307/350 68-79 1.72/1.50 76cc
    3998993 307/350 68-79 1.71/1.50 1.94/1.50 76cc
    3998997 350/400 71-73 1.94/1.50 76cc
    426424 305/350/400 72-82 1.72/1.50
    458624 350 69-84 1.94/1.50 76cc
    460703 350 78-80 1.94/1.50 76cc
    462614 305/350 77-79 1.72/1.50
    462624 350 76-87 1.94/1.50 2.02/1.60 76cc Crack prone
    464033 350 76-86 1.94/1.50 76cc
    464036 350 76-86 1.94/1.50 76cc
    468642 350/400 75-84 1.72/1.50
    471513 267 79-81 1.72/1.50
    472424 305 76-79 1.72/1.50
    474213 305 78-82 1.72/1.50
    474214 350 78-82 1.94/1.50 76cc
    475590 400 78-82 1.94/1.50 76cc
    517513 267 79-81 1.72/1.50
    6259515 350 73
    6260855 350 73-75 1.94/1.50 76cc
    6260856 350 73-76 1.94/1.50 76cc
    6272070 350 73
    10045427 Pontiac/Chevy Aluminum, 91cc chamber Large Rectangle Port
    10049875 Pontiac/Chevy Aluminum Small Rectangle port
    10051128 454 90-94 2.19/1.88 72cc Bowtie Aluminum Rectangular port 400cc intake
    10052902 427 Oval Port Open chamber
    10101136 454 91-94 2.06/1.77 Open chamber Oval port
    10101140 366/427 91-01 Oval Port Closed chamber
    10114156 454 91-01 Oval Port Open chamber
    10121033 454 78-88 2.06/1.77 Open chamber Oval port
    10141279 454 96-01 Vortec 7400 100cc chambers Oval Port
    10487052 366 77-90 Oval Port Open chamber
    12352783 454 79-93 2.06/1.77 Open chamber Oval port
    12363391 Oval Port Bowtie Aluminum Signature Series
    12363401 Rectangle Port Bowtie Aluminum Signature Series
    12558162 496 01 & UP Gen.
    <st1:stockticker>VII</st1:stockticker> Vortec 8100 8.1L truck
    12560241 454 98-01 Vortec 7400 100cc chambers Oval Port
    12562932 454/502 91-95 Oval Port truck crate motor 118cc chambers
    12562934 502 00 & UP GenVI Marine
    14011077 454 89-94 2.19/1.88 118cc Replacement Aluminum Rectangular port 295cc intake
    14025175 454 83-93 2.06/1.77 Open chamber Oval port
    14044861 454 89-94 2.19/1.88 106cc Bowtie Aluminum Rectangular port 380cc intake
    14081044 454 86-90 2.06/1.77 Open chamber Oval port
    14081045 454 78-87 Oval Port Open chamber
    14081052 366/427/454 85-87 Oval Port Open chamber
    14092359 427 86-89 2.06/1.77 Open chamber Oval port
    14092360 454 85-89 2.06/1.77 Open chamber Oval port
    14096188 454 87-94 2.19/1.88 118cc Replacement Rectangular port 325cc intake
    14097088 502 89-date 2.19/1.88 118cc Replacement Rectangular port 325cc intake <st1:stockticker>GEN</st1:stockticker> V
    14101398 454 86-90 2.06/1.77 Open chamber Oval port
    24502585 Olds/Chevy DRCE 2 Pro Stock aluminum
    330864 366/427/454 70-81 2.06/1.77 Open chamber Oval port
    330865 366/427/454 70-84 2.06/1.77 Open chamber Oval port
    330866 366/427 68-78 Oval Port Open chamber
    330867 427 68-73 Oval Port Open chamber
    336768 427 73-76 Oval Port Open chamber
    336781 454 73-85 2.06/1.77 113cc Oval port
    343771 366/427/454 68-85 2.06/1.77 Open chamber Oval port
    343772 366/427/454 76-84 2.06/1.77 Open chamber Oval port
    343783 454 75-78 2.06/1.77 Open chamber Oval port
    346236 454 75-87 2.06/1.77 113cc Oval port
    346238 454 75-87 2.06/1.77 113cc Oval port
    352625 454 70-76 Oval Port Open chamber
    353049 454 70-73 2.06/1.77 113cc Oval port
    366765 427/454 73-84 2.06/1.77 Open chamber Oval port
    3732791 348 58
    3758379 348 59-61
    3759256 348 58
    3767738 348 59-61
    3781147 348 60-61 High Perf
    3795586 409 61 360HP
    3814690 409 62-64 High Perf
    3819333 348/409 62-65
    3830817 409 63-65 340HP
    3837731 409 63 High Perf Z-11
    3852583 409 65 400HP
    3856206 396 65-66 2.06/1.77 98cc Oval port
    3856208 396 65 2.06/1.77 109cc Z-16/L-37 Rectangular port
    3856213 366 66-70 2.06/1.77 Closed chamber Oval port
    3856260 396 68 Oval Port Closed chamber
    3872702 396/427 66 2.06/1.77 98cc Oval port L-34/L-35/L-36
    3873858 396/427 66-67 2.06/1.77 109cc L-78/L-72 Rectangular port
    3876875 427 66-70 2.06/1.77 Closed chamber Oval port
    3904390 396/427 66-67 2.06/1.77 98cc Oval port L-34/L-35/L-36
    3904391 396/427 65-67 2.06/1.77 107cc L-78/L-71/L-72 Rectangular port
    3904392 427 67 2.19/1.88 106cc L-88/L-89 Aluminum Rectangular port
    3904393 366 66-68 2.06/1.77 Closed chamber Oval port
    3908952 427 67 Oval Port Open chamber
    3909802 396/427 66-67 2.06/1.77 100cc Oval port L-34/L-35/L-36/L-68
    3917215 396/427 67-69 2.06/1.77 100cc Oval port L-34/L-35
    3917219 366/427 66-70 2.06/1.77 Closed chamber Oval port
    3919840 396/427 67-69 2.06/1.77 107cc L-78/L-71/L-72 Rectangular port
    3919842 396/427 68-69 2.19/1.88 106cc L-88/L-89 Aluminum Rectangular port
    3931063 396/427 69-70 2.06/1.77 100cc Oval port L-34/L-35
    3933148 366/396/427 69 2.06/1.77 122cc Oval port
    3933149 427 69-70 2.06/1.77 122cc Oval port
    3935401 427 68-76 Oval Port Open chamber
    3946074 396/454 69-71 2.19/1.88 118cc L-88/ZL-1 Aluminum Rectangular port
    3964280 427/454 66-70 2.06/1.77 Closed chamber Oval port
    3964290 396/402/427/454 69-70 2.06/1.77 100cc Oval port
    3964291 396/402/427/454 69-70 2.19/1.88 108cc L-78/L-71/L-72/LS-6 Rectangular port 325cc intake
    3964292 454 70 2.19/1.88 109cc LS-6 Rectangular port
    3965198 396 69 2.06/1.77 Open chamber Oval port
    3975950 366/427 68-70 2.06/1.77 Closed chamber Oval port
    3986133 366/427 70-85 2.06/1.77 Closed chamber Oval port
    3986136 366/427 70-84 2.06/1.77 Closed chamber Oval port
    3993820 402/454 71 2.06/1.77 113cc Oval port
    3994025 454 71 2.19/1.88 118cc LS-6 Rectangular port
    3994026 454 71 2.19/1.88 118cc LS-6 Rectangular port
    3999241 402/454 72 2.06/1.77 113cc Oval port
    473328 366 68-85 2.06/1.77 Open chamber Oval port
    6258723 454 71 2.19/1.88 118cc LS-6 Rectangular port
    6272292 402/454 71 2.06/1.77 Open chamber Oval port
    6272990 454 71-94 2.19/1.88 118cc Replacement Rectangular port 325cc intake

    <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:eek:ffice:eek:ffice" /><o:p></o:p>
    Use these casting numbers to identify the exhaust manifolds you have.
    Casting Number Years Engine Side Comments
    336706 74-78 350 RH
    336707 74-78 350 LH
    336708 74-78 350 RH
    336709 74-78 350 RH Camaro & Z-28 with A.I.R.
    336710 74-78 307, 350 & 400 LH Chevelle, Camaro, Z-28, Nova and Passenger with A.I.R.
    346222 74-80 307, 350 & 400 RH Chevelle, Camaro, Nova and Passenger with A.I.R.
    346247 75-77 262, 350 & 400 LH Chevelle, Camaro, Monte Carlo and Passenger 110, 145, 155 & 175 HP
    346248 75-77 262, 350 & 400 RH Chevelle, Camaro, Monte Carlo and Passenger 110, 145, 155 & 175 HP
    354432 75-76 262 RH 110 HP
    354433 75-76 262 LH 110 HP
    364753 76-80 307, 350 & 400 LH Camaro, Monte Carlo, Malibu and Passenger
    372243 74-83 307, 350 & 400 RH Corvette and Replacement manifold
    462697 77-79 267 & 305 LH Monte Carlo and Malibu
    462698 77-83 267 & 305 RH Monte Carlo and Malibu
    474008 78-82 267, 305 & 350 RH
    745994 80-86 267 & 305 LH
    3704791 55-56 265 LH Corvette and Passenger 195 HP
    3704792 55-56 265 RH Corvette and Passenger 195 HP
    3725563 56 265 LH & RH Corvette and Passenger 210 HP 2-Bolt Flange
    3731557 56 265 LH Corvette and Passenger 225 HP
    3731558 56 265 RH Corvette and Passenger 225 HP
    3732498 58 283 RH Corvette FI
    3733975 57 283 LH Corvette and Passenger 220, 245, 250, 270 & 283 HP
    3733976 57 283 RH Corvette and Passenger 220, 245, 250, 270 & 283 HP
    3737902 62-65 327 RH 300, 340, 360, 365 & 375 HP 2.5" Outlet
    3746563 65 327 LH 300 HP
    3747038 58-65 283 & 327 RH Corvette and Passenger 220, 250 & 300 HP 1.9" Outlet
    3747042 58-68 283, 307 & 327 RH Corvette and Passenger 195, 200, 220, 250, 270, 275, 290, 300 & 350 HP 1.9" Outlet
    3747938 64 327 LH & RH 250 & 300 HP
    3747942 65 327 LH & RH 250, 350 & 365 HP
    3749965 58-63 283 & 327 LH Corvette and Passenger 230, 245, 250, 270, 275, 290, 300 & 315 HP
    3750556 58-65 283 & 327 RH Corvette and Passenger 230, 245, 250, 270, 275, 290, 300 & 315 HP
    3780728 64-67 327 LH Chevy II
    3790729 64-67 283 & 327 LH 195, 220, 250, 270, 275, 300 & 350 HP 2.0" Outlet Chevy II
    3790730 64-65 283 & 327 RH 220, 250 & 300 HP 1.9" Outlet Chevy II
    3791162 65-66 283 & 327 RH Chevy II with AC
    3791182 66-67 283 & 327 RH Passenger with AC
    3797901 62-63 327 LH Corvette 300, 340 & 360 HP
    3797902 62-65 327 RH Corvette 300, 340, 360, 365 & 375 HP 2.5" Outlet
    3797942 63-65 327 LH & RH Corvette 300, 360, 365 & 375 HP 2.5" Outlet
    3834947 64-68 283, 307 & 327 LH Chevelle 195, 200, 210, 220, 250, 275, 295, 300, 325, 350 & 365 HP 2.0" Outlet
    3836968 55-56 265 RH Corvette and Passenger 195 HP
    3837069 55 265 LH Corvette and Passenger 195 HP
    3840715 64 283 & 327 LH Chevelle
    3840912 64-68 283, 307, 327 & 350 RH Chevelle, Camaro and Nova 195, 200, 210, 220, 250, 275, 295, 300, 325, 350 & 365 HP 1.9" Outlet
    3846559 64-71 327 & 350 LH Corvette 250, 270, 300 & 350 HP 2.0" Outlet
    3846563 64-65 327 LH Corvette 300, 350 & 365 HP 2.5" Outlet
    3846659 66 327 LH 350 HP
    3849288 64-67 283 & 327 RH 195, 220, 275 & 350 HP 1.9" Outlet Chevy II
    3849290 64-67 283 & 327 RH 195, 220, 275 & 350 HP 1.9" Outlet Chevy II with AC
    3855163 65-68 283, 307 & 327 LH Passenger and Truck 195, 200, 220, 250 & 275 HP 2.0" Outlet
    3872723 66-67 283 & 327 LH 195, 220, 275 & 350 HP 2.0" Outlet Chevy II A.I.R.
    3872729 66 283 & 327 LH Chevelle 195,220, 275 & 350 HP 2.0" Outlet A.I.R.
    3872730 66-68 283, 302, 307 & 327 RH Chevelle, Camaro & Z-28 200, 210, 220, 250, 275, 290, 325 & 350 HP 1.9" Outlet A.I.R.
    3872738 66-67 283 & 327 RH 195, 220, 275 & 350 HP 1.9" Outlet Chevy II
    3872741 66-68 283, 307 & 327 LH Passenger 195, 200, 220, 250 & 275 HP 2.0" Outlet A.I.R.
    3872765 67-71 327 & 350 LH Corvette 300, 330, 350 & 370 HP 2.0" Outlet A.I.R.
    3872778 66-68 283, 307 & 327 RH Corvette, Passenger and Truck 195, 200, 250, 275, 300 & 350 HP 1.9" Outlet A.I.R.
    3887186 66 283 RH 220 HP 1.9" Outlet
    3890424 64-67 283 & 327 RH Chevy II
    3892679 66-68 283, 302, 307, 327 & 350 LH Chevelle, Camaro and Z-28 195, 200, 210, 220, 250, 275, 290, 295 & 325 HP 2.0" Outlet
    3892683 66-68 283, 302, 307, 327 & 350 LH Chevelle, Camaro and Z-28 195, 200, 210, 220, 250, 275, 290, 295 & 325 HP 2.0" Outlet
    3893604 66-68 283 & 327 RH Passenger A.I.R.
    3893608 67-68 283, 302, 307, 327 & 350 RH Chevelle, Camaro and Z-28 195, 200, 210, 250, 275, 290, 295 & 325 HP 1.9" Outlet
    3896956 67-68 283 & 327 RH Truck
    3905364 69-72 307, 350 & 400 RH Truck
    3932376 69-70 307, 327, 350 & 400 RH Chevelle and Camaro 200, 210, 250, 255, 265 & 300 HP 1.9" Outlet
    3932461 69-74 327 & 350 LH & RH Corvette 190, 195, 200, 235, 255, 300, 330 & 350 HP 1.9" Outlet A.I.R.
    3932465 69-70 327, 350 & 400 RH Passenger 235, 250, 255, 265, 300 & 350 HP 1.9" Outlet
    3932469 69-70 327 & 350 LH Passenger 235, 250, 255 & 300 HP 2.0" Outlet
    3932473 69-70 327, 350 & 400 LH Passenger 235, 250, 255, 265 & 300 HP 2.0" Outlet
    3932481 69 350 RH Corvette
    3940972 67 350 RH Camaro 295 HP
    3942527 69-70 302, 307, 327 & 350 LH Chevelle, Camaro, Z-28 and Nova 200, 210, 250, 255, 290, 300 & 360 HP 2.0" Outlet A.I.R.
    3942529 69-70 302, 307, 327, 350 & 400 LH Chevelle, Camaro and Nova 200, 210, 250, 255, 290 & 300 HP 2.0" Outlet
    3946826 69-70 302, 307, 327 & 350 RH Chevelle, Camaro, Z-28 and Nova200, 210, 250, 255, 290, 300 & 360 HP 1.9" Outlet A.I.R.
    3959562 72-74 307, 350 & 400 RH Chevelle, Camaro and Z-28 115, 130, 145, 150, 160, 165, 170, 175, 180, 185 & 245 HP 2.0" Outlet A.I.R.
    3973432 70-74 307, 350 & 400 RH Chevelle, Camaro, Nova and Passenger 115, 130, 150, 165, 170, 175, 180, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet
    3986330 69-73 302, 307, 327 & 350 RH Camaro and Z-28 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 1.9" Outlet A.I.R.
    3989036 71-75 350 LH & RH Corvette and Passenger 165, 195, 200, 205 & 270 HP 2.0" Outlet with and without A.I.R.
    3989041 69-74 302, 307, 327, 350 & 400 LH Camaro, Z-28 and Nova 115, 130, 145, 150, 160, 165, 170, 180, 185, 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 2.0" Outlet with and without A.I.R.
    3989043 70-73 307, 350 & 400 LH Chevelle, Camaro, Nova and Passenger 105, 115, 130, 145, 150, 165, 175, 185, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet with and without A.I.R.
    3989055 69-72 307, 350 & 400 LH
    3997742 71-78 307 & 350 RH 2.0" Outlet
    3998902 72-78 307 & 350 RH
    10045315 88-94 305 & 350 LH
    10045317 88-94 305 & 350 LH
    10045317 88-94 305 & 350 LH
    10046123 87-92 305 & 350 LH
    10046139 84-85 350 LH
    10046140 84-85 350 RH
    10055734 87-91 350 RH
    10092901 89-91 350 LH
    10092903 89-94 350 LH
    10092905 89-94 350 LH
    10108437 87-93 305 & 350 RH
    10128448 91-93 305 & 350 LH
    10128483 91-93 305 & 350 LH
    10166144 91-94 350 RH
    10166145 87-90 305 & 350 LH
    10166147 89-94 305 & 350 LH
    10166158 89-94 305 & 350 RH
    10168494 94 265 & 350 LH
    10207656 93-94 350 LH
    10207657 93 350 RH
    10433037 82-86 305 LH
    12550621 94 265 RH
    12550622 91 350 RH
    14007400 80-86 267 & 305 LH
    14014437 80-84 305 LH
    14014438 80-84 305 RH
    14014459 81-86 305 & 350 LH
    14014500 79-86 267, 305 & 350 RH
    14022625 80-81 305 LH
    14031361 82-86 305 RH
    14031376 81-86 350 RH
    14034069 81-86 350 RH
    14034075 81-86 305 & 350 LH
    14043373 82-86 305 LH
    14050233 83-86 305 & 350 LH
    14050282 83-87 305 & 350 RH
    14050287 82-86 305 LH
    14057029 84-85 350 LH
    14057030 84-85 350 RH
    14060630 81-86 350 RH
    14060633 81-86 305 & 350 LH
    14067365 77-86 267, 305, 350 & 400 LH
    14068667 85-88 350 LH
    14068670 85-88 350 RH
    14071200 83-86 305 RH
    14075611 83-86 305 LH
    14079295 85-86 305 & 350 LH
    14079296 85-86 305 & 350 RH
    14087511 86-91 350 LH
    14087512 86-91 350 RH
    14093653 87-90 305 & 350 LH
    14093654 87-90 305 & 350 RH
    14093655 87-90 305 & 350 LH
    14093658 88-94 305 & 350 RH
    14093660 87-90 305 & 350 RH
    14093682 87-90 305 & 350 RH
    14094045 87-90 305 & 350 LH
    14094063 87-92 305 & 350 LH
    14094064 87-92 305 & 350 RH
    14094065 85-88 350 RH
    14101054 87-88 305 & 350 RH
    14102016 88-94 305 & 350 RH
    14102018 89-94 305 & 350 RH
    14103206 87-91 305 & 350 RH
    14103207 87-91 305 & 350 LH
    329225 73-76 454 LH Chevelle and Passenger with and without A.I.R.
    353028 73-76 454 LH Chevelle and Passenger with and without A.I.R.
    353030 73-76 454 LH Police
    3732793 58-61 348 LH Passenger
    3732794 58-61 348 RH Passenger
    3767583 59-61 348 & 409 LH Passenger
    3767584 59-61 348 & 409 RH Passenger
    3814682 62-64 409 RH Passenger
    3814683 62-64 409 LH Passenger
    3822925 62-64 409 LH Passenger & Z-11
    3822926 62-64 409 RH Passenger & Z-11
    3855161 65 409 LH Passenger 340 & 400 HP
    3855162 65 409 RH Passenger 340 & 400 HP
    3856297 65 396 LH 325 HP
    3856301 65 396 LH 425 HP Corvette
    3856302 65 396 RH 425 HP Corvette
    3856306 65 396 RH Passenger 325 HP
    3857297 65 396 LH Passenger 325 HP
    3868874 65-66 396 RH Chevelle 325, 360 & 375 HP Z-16
    3869925 65 396 LH Chevelle 375 HP Z-16
    3872770 66 396 RH
    3880827 66-69 427 & 454 LH Corvette
    3880828 66-72 427 & 454 RH Corvette 270, 365, 390 & 425 HP with and without A.I.R. LS-5 & LS-6
    3880869 70-72 454 LH Corvette 365 & 425 HP with and without A.I.R. LS-5 & LS-6
    3883827 66 427 LH Passenger
    3883828 66 427 RH Passenger
    3883999 66 396 LH Chevelle 325, 360 & 375 HP
    3884504 66-67 396 & 427 RH Passenger 325, 385 & 390 HP
    3892307 66-67 396 & 427 LH Passenger 325 & 390 HP
    3902401 67 396 LH Chevelle
    3904399 66 396 LH
    3909879 67-70 396, 427 & 454 LH Chevelle, Camaro and Nova 325, 350, 375, 425, 430 & 450 HP LS-6 COPO
    3909880 67 396 RH Chevelle and Camaro 325, 350 & 375 HP
    3914613 68-70 396 & 427 LH Passenger 265, 325, 335, 345, 390 & 425 HP
    3916178 68-70 396, 427 & 454 RH Chevelle, Camaro, Nova and Passenger 325, 350, 375, 425, 430 & 450 HP COPO LS-5 & LS-6
    3969869 70-74 454 LH Corvette 270, 365 & 390 HP with and without A.I.R. LS-5
    3989310 71-72 402 & 454 RH Chevelle, Camaro, Monte Carlo and Passenger
    3989343 71-72 402 & 454 LH Chevelle, Camaro, Monte Carlo and Passenger
    3994045 73-75 454 LH Police
    Chevy Intake Manifolds
    Use these numbers to identify your stock Chevy intake.
    Casting Number
    <st1:stockticker>CID</st1:stockticker> Years Type Comments
    10051103 350 1990 4-Brl Aluminum Bowtie Single plane
    10066013 350 87-89 TPI Corvette Base MASS air 9th injector style Aluminum heads (86 and older)
    10077151 305/350 90-92 TPI Plenum Speed density type
    10086016 305/350 90-92 TPI Base Speed density type (87 & UP intake bolt pattern)
    10108630 350 92-97
    <st1:stockticker>MFI</st1:stockticker> LT-1
    12550631 350 96
    <st1:stockticker>MFI</st1:stockticker> LT-4 Power coated red
    12552138 265 93-96
    <st1:stockticker>MFI</st1:stockticker> L-99 (lt-1 style 4.3L V-8)
    14007374 305 79-82 2-Brl Aluminum
    14014432 350 1981 4-Brl Aluminum Quadrajet Z-28
    14057053 305/350 80-88 4-Brl Aluminum Quadrajet
    14081006 350 87-89 TPI Corvette Plenum MASS air 9th injector style
    14096242 350 1990 4-Brl Holley High rise Bowtie
    340261 350/400 74-76 4-Brl Quadrajet
    340266 305/350/400 73-82 2-Brl
    340281 305/350 82-85 4-Brl Quadrajet
    346249 305/350/400 75-77 4-Brl Quadrajet
    346250 305/350 76-82 4-Brl Quadrajet
    346260 267/305/350 73-77 2-Brl
    355943 262 1975 2-Brl
    3704790 265 1955 2-Brl
    3711348 265 1955 4-Brl
    <st1:stockticker>WCFB</st1:stockticker>
    3728725 265 1956 Dual Quad Aluminum
    3731394 283 56-57 Dual Quad Aluminum
    3731398 283 1957 4-Brl
    <st1:stockticker>WCFB</st1:stockticker>
    3732690 265/283 56-57 2-Brl
    3732880 265/283 56-57 2-Brl
    3735444 265 1956 2-Brl
    3735448 265 1956 4-Brl
    <st1:stockticker>WCFB</st1:stockticker>
    373598 305 78-81 2-Brl Aluminum
    3737109 265 1956 4-Brl
    <st1:stockticker>WCFB</st1:stockticker>
    3739653 283 58-61 Dual Quad Aluminum
    3741193 283 1957 Fuel Injection Aluminum
    3746826 265/283 56-63 2-Brl
    3746829 283/327 58-64 4-Brl
    <st1:stockticker>WCFB</st1:stockticker>
    3753809 283 59-62 2-Brl
    3783244 327 62-63 4-Brl
    <st1:stockticker>WCFB</st1:stockticker>
    3794129 327 1963 4-Brl Aluminum
    3795397 327 1962 4-Brl Aluminum
    3799349 327 62-64 4-Brl Carter AFB
    3826810 327 63-65 Fuel Injection Aluminum
    3837109 265/283 56-57 4-Brl
    <st1:stockticker>WCFB</st1:stockticker>
    3840905 283 64-65 2-Brl
    3844457 283/327 64-65 4-Brl
    <st1:stockticker>WCFB</st1:stockticker>
    3844459 327 63-65 4-Brl Carter AFB
    3844461 327 64-65 4-Brl Aluminum
    3866922 283/327 62-65 4-Brl
    <st1:stockticker>WCFB</st1:stockticker>
    3872783 283/327 66-67 4-Brl Holley
    3872788 238/327 66-67 4-Brl Holley
    3875954 327 1966 4-Brl Carter AFB
    3877652 283/327 65-67 2-Brl
    3882858 283 1966 4-Brl Carter AFB
    3890490 327 66-67 4-Brl Aluminum
    3905393 327/350 1967 4-Brl Quadrajet
    3910601 327 67-68 2-Brl
    3916313 307/327/350/400 69-70 2-Brl
    3917610 302 67-68 4-Brl Aluminum
    3919801 307/327 1968 2-Brl
    3919803 327/350 67-68 4-Brl Quadrajet
    3927183 307/327 69-70 2-Brl
    3927184 350 1969 4-Brl Quadrajet
    3932472 302/350 69-70 4-Brl Aluminum
    3941126 302 68-69 Cross Ram Aluminum base
    3941130 302 68-69 Cross Ram Aluminum top plate
    3958622 307/327 69-70 2-Brl
    3958626 350 69-70 2-Brl
    3959594 350 71-72 4-Brl Aluminum
    3965577 350 1970 4-Brl Quadrajet
    3972110 350 1970 4-Brl Aluminum
    3972114 350 70-72 4-Brl Aluminum
    3972116 350 1970 4-Brl Aluminum Service replacement part
    3972361 350 1971 4-Brl Aluminum
    3973465 307 69-71 2-Brl
    3973467 350/400 1971 2-Brl
    3973469 350 1971 4-Brl Quadrajet
    3987361 350 69-70 4-Brl Quadrajet
    3990948 350 1971 2-Brl
    3991004 350 1973 4-Brl Quadrajet
    3991005 307 1971 2-Brl
    3997770 350 1973 4-Brl Quadrajet
    3997771 350 1973 4-Brl Quadrajet
    3997772 350 1973 2-Brl
    3997773 350/400 1973 2-Brl
    458520 305/350 77-82 4-Brl Quadrajet
    458520 305/350 82-87 4-Brl Aluminum
    6262928 307 1972 2-Brl
    6262930 350 1972 4-Brl Quadrajet
    6262936 307 1972 2-Brl
    6263751 350 1972 4-Brl Quadrajet
    6263752 350/400 1972 2-Brl
    626932 350 71-72 4-Brl Quadrajet
    6271060 307 1973 2-Brl
    6271061 307 1973 2-Brl
    7014360 283 1957 Rochester FI
    7014520 283 1957 Rochester FI
    7014800 283 57-58 Rochester FI
    7014800R 283 1985 Rochester FI
    7014900 283 1958 Rochester FI
    7014900R 283 1958-59 Rochester FI
    7014960 283 1958 Rochester FI
    7017200 283 59-61 Rochester FI
    7017250 283 59-61 Rochester FI
    7017300 283 59-60 Rochester FI
    7017300R 283 1959 Rochester FI
    7017310 283 60-61 Rochester FI
    7017320 283 1960 Rochester FI
    7017355 327 1962 Rochester FI
    7017360 327 1962 Rochester FI
    7017375 327 1963 Rochester FI
    7017375R 327 1964 Rochester FI
    7017380 327 64-65 Rochester FI
    336789 454 74 Q-jet Oval port
    346242 454 75 Q-jet Oval port
    353015 454 73 Q-jet Oval port
    3732757 348 58-62 4-Brl
    3749948 348 58-61 Three duce
    3753748 348 60-61 Dual quad Aluminum
    3760436 348 58-59 4-Brl
    3767579 348/409 61 4-Brl
    3770084 348 58-59 4-Brl
    3772265 348 60-61 4-Brl
    3780540 348 58-59 4-Brl Aluminum
    3797775 348 59-60 4-Brl
    3797776 409 61 4-Brl
    3813678 409 62-63 4-Brl
    3814881 409 62-64 Dual quad Aluminum
    3830623 409 63 Dual quad Aluminum Z-11
    3830831 409 63 4-Brl 340HP
    3844463 409 64-65 4-Brl 400HP
    3844464 409 64-65 4-Brl 340HP
    3844472 348/409 62-65 4-Brl
    3856289 396 65-66 Q-jet Oval port L-35
    3866948 396/427 66-67 Holley Oval port L-34/L-35
    3866963 396 65 Holley Rectangular port Aluminum L-37
    3883984 396/427 66-68 Q-jet Oval port L-35/L-36
    3885069 396/427 66-68 Holley Rectangular port Aluminum L-78/L-72
    3886093 427 67 Holley Rectangular port Aluminum L-88
    3894374 427 67 Three duce Rectangular port Aluminum L-71
    3894382 427 67 Three duce Oval port Aluminum L-68
    3919849 427 68 Q-jet Oval port Aluminum L-36
    3919850 427 68 Three duce Oval port Aluminum L-68
    3919852 427 68 Three duce Rectangular port Aluminum L-71
    3919878 396/427 68 Holley Rectangular port Aluminum L-78/L-72
    3931067 396/427 69 Q-jet Oval port L-35/L-36
    3933163 396/427 68-69 Holley Rectangular port Aluminum L-78/L-89 COPO
    3933198 427 68-69 Holley Rectangular port Aluminum L-88/ZL-1
    3937793 427 68 Q-jet Oval port Aluminum L-36
    3937795 427 69 Three duce Oval port Aluminum L-68
    3937797 427 69 Three duce Rectangular port Aluminum L-71
    393841 454 73-75 Q-jet Oval port
    3947801 427 69 Q-jet Oval port Aluminum L-36
    3952900 396 69 2-Brl Oval port
    3955287 402/454 70-71 Q-jet Oval port LS-3/LS-5
    3963569 396/402/454 70-71 Holley Rectangular port Aluminum Low rise L-78/L-89/LS-6
    3967474 454 71 Holley Rectangular port Aluminum
    6263753 402/454 72 Q-jet Oval port LS-3/LS-5
    6269318 454 72 Holley Rectangular port Aluminum
    <o:p></o:p>

    General Engine Block Specifications
    While 6 different bore size blocks have been produced, the small block engine can be classified into 3 bore sizes and 3 main bearing sizes. 283 blocks (3.875" bore, 2.3" main), 302/327/350 blocks (4" bore, 2.3" or 2.45" mains), and 400 blocks (4.126", 2.65" mains). In 1968 the main bearing saddles were increased in size from 2.3" to 2.45".

    <st1:stockticker>CID</st1:stockticker> Year Bore Main Cap
    262 1975 3.671 2 bolt ONLY
    267 1979 - 81 3.500 2 bolt ONLY
    305 1976 - 96 3.736 2 bolt ONLY
    307 1968 - 73 3.875 2 bolt ONLY
    327 1968-69 4.001 (2.3" main) 2 bolt
    350 1968-88 4.001 (2.3" main) 2 bolt
    265 1994 4.001 (2.45" main) 2 bolt
    302 1968-69 4.001 (2.45" main) 4 bolt
    350 1968-96 4.001 (2.45" main) 4 bolt
    400 1970-72 4.126 (2.65" main) 4 bolt
    400 1973-80 4.126 (2.65" main) 2 bolt

    Notes: 2 bolt ONLY means just that,. otherwise 2 or 4 bolt can mean either design...

    Casting Date
    Small block casting date is located on driver side rear of block on flange forward of bellhousing. Big block on the right side of engine above the oil pan rails.
    Casting Date Example: E038 - (E = Month, 03 = Day, 8 = Last digit of model year (1978)).

    Month: A = Jan, B = Feb, C = Mar, D = Apr, E = May, F = Jun, G = July, H = Aug, I = Sep, J = Oct, K = Nov, L = Dec

    VIN Code Format
    The vin code format is stamped onto most engines. The format consists of divisional identification number, model year, assembly plant designation and vehicle serial or sequence number.
    In 68-69 model cars, the serial (VIN) number of the car the engine was installed in is stamped next to, or under the engine code ID.
    Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block pad (in front of the cylinder head), or on the transmission flange somewhere. Chevrolet issued technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what could have happend (or not happened).

    VIN code format Example: 13N100001
    (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN

     
    Last edited: Dec 1, 2011
  2. cowboyinachair
    Joined: Nov 17, 2010
    Posts: 201

    cowboyinachair
    Member
    from colorado

    hope this is useful
     
  3. porknbeaner
    Joined: Sep 12, 2003
    Posts: 26,161

    porknbeaner
    Member

    Someone needs to move a copy of this to the tech section and save us from tripping all over the net every time someone wants to check out their block.

    Thanks for posting.
     
  4. cowboyinachair
    Joined: Nov 17, 2010
    Posts: 201

    cowboyinachair
    Member
    from colorado

    Register now to get rid of these ads!

  5. Mr48chev
    Joined: Dec 28, 2007
    Posts: 17,925

    Mr48chev
    ALLIANCE MEMBER

    +1. I don't know how many times I've posted links to casting numbers for someone who asked but having them all in one place in the tech section would make it a lot easier on everyone.
    I think I still have the cylinder head casting number list from Car Craft out of the 70's in the bottom of my tool box in a binder. I copied that years ago and referred to it time and again over the years.
     
  6. Dude, that list of numbers is all over the internet. I usually just google "Chevy casting number #########" and it comes right up. Try it!
     
  7. Hi!
    Joined: Oct 4, 2006
    Posts: 705

    Hi!
    Member
    from SoCal

    Did you type that all out???:D
     
  8. cowboyinachair
    Joined: Nov 17, 2010
    Posts: 201

    cowboyinachair
    Member
    from colorado

    nope copy and pasted it from the copy i keep on my computer lol
     
  9. Deuces
    Joined: Nov 3, 2009
    Posts: 12,000

    Deuces
    Member
    from Michigan

    Same question I was going to ask...
     
  10. 32v
    Joined: May 20, 2007
    Posts: 790

    32v
    Member
    from v.i.

    nice list thks .... but there is some errors first 2 part #s i looked at are wrong
     
  11. dana barlow
    Joined: May 30, 2006
    Posts: 1,969

    dana barlow
    Member
    from Miami Fla.

    I found it usefull already! thanks
     
  12. xtralow
    Joined: Nov 12, 2004
    Posts: 1,169

    xtralow
    Member

    very useful, Thank you cowboyinachair
     
  13. cowboyinachair
    Joined: Nov 17, 2010
    Posts: 201

    cowboyinachair
    Member
    from colorado

    welcome
     
  14. 41 C28
    Joined: Dec 17, 2005
    Posts: 1,371

    41 C28
    Member

    Thanks for the info.
     
  15. 2club
    Joined: Feb 2, 2011
    Posts: 8

    2club
    Member
    from California

    That's a nice list, but a little hard to sort through. If you're looking for vintage Chevy blocks, cranks, heads, intakes, exhaust manifolds and so on there's a story at this site about vintage parts services that probably have what you need. I got a nice 427 block and the matching heads for my Impala on the first try. Here's a link to the story.

    http://hotrodenginetech.com/finding-vintage-big-blocks/
     
  16. indyjps
    Joined: Feb 21, 2007
    Posts: 1,725

    indyjps
    Member

    I bought the pocket casting reference books before the internet
     
  17. Butch M
    Joined: Oct 14, 2008
    Posts: 1,316

    Butch M
    Member

  18. trbomax
    Joined: Apr 19, 2012
    Posts: 289

    trbomax
    Member

    great information! Thank you,I copied it.
     
  19. HipCATZ
    Joined: Feb 17, 2011
    Posts: 8

    HipCATZ
    Member

    Hello all, i'm not sure if this is the proper place to post this but here goes.

    I was searching for some info on an engine I was given by a retired Navy friend. He had it in his garage forever and he himself inherited when a neighbor friend who was transferred to a new duty station overseas. I was told that the engine was a 350 chevy he wasn't to specific on anything else the engine had in it but only that it only had several thousand miles on it and the guy pulled it out to put a big block in his car (he thinks it was a camaro), he blamed it on the fact that he was an avid Ford fanatic.

    From a quick visual the engine has edelbrock elite series valve covers, edelbrock timing chain cover, edelbrock 800 cfm carb (looked up serial numbers), Edelbrock RPM Air Gap intake manifold, Roller rockers, StreetDampr, a two piece rear oil seal, a 7 quart Moroso oil pan, and cast iron vortec heads with the 062 casting numbers. I have not yet dug into the engine internals yet to do and measurements. From what i can tell the block was manufactured June 28th of either 76 or 86. There is a tag by the oil filter that says refurbished 198943. I'm not sure if that is a serial number or the date in which it was refurbished such as the 43rd block refurbished in 1989?? I'm just guessing here. Last but not least there is are no numbers stamped into the block pad on the front of the engine in front of the passenger cylinder head.

    Here is were i ran into a problem when running the block casing numbers. The casting numbers look like they have been tampered with and was wondering if anybody else has run across this before.

    I have posed pictures below for reference:
    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]

    Would anybody out there know what type of block this is, whether or not the casting numbers were monkeyed with, and such. Any help would be greatly appreciated. Thank you!
     
    Last edited: Feb 1, 2013
  20. Deuces
    Joined: Nov 3, 2009
    Posts: 12,000

    Deuces
    Member
    from Michigan

    3 humps???....:confused:
     
  21. frank spittle
    Joined: Jan 29, 2009
    Posts: 1,096

    frank spittle
    Member

    Thanks for taking the time to compile this list.
     
  22. cowboyinachair
    Joined: Nov 17, 2010
    Posts: 201

    cowboyinachair
    Member
    from colorado

    3970010 69-79 302/350 car & Truck 2 & 4-Bolt Most common
     
  23. Those 3 humps are the casting ID for Vortec heads. Look for 8 vertical intake bolts and centerbolt valve covers. He already mentioned the Vortecs and that mark confirms it.
     
    Last edited: Feb 2, 2013
  24. Speed Gems
    Joined: Jul 17, 2012
    Posts: 766

    Speed Gems
    Member

    Or you can just go HERE:http://www.nastyz28.com/sbcmenu.php and save it to your favorites. It's even got casting #'s for stock pistons and camshafts. :)
     

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