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Tech Info: Cadillac OHV V8's 1949-1962

Discussion in 'The Hokey Ass Message Board' started by Cadillacin Marcus, Jan 19, 2004.

  1. Egge has a King part number under part# MB5170AM....;)
     
  2. cretin
    Joined: Oct 10, 2006
    Posts: 3,066

    cretin
    Member

    Thanks, but we have already checked there, apparently they don’t have anything.


    Sent from my iPhone using H.A.M.B.
     
  3. fiftyv8
    Joined: Mar 11, 2007
    Posts: 5,394

    fiftyv8
    Member
    from CO & WA

    Sadly parts chasing is going to become much more of a problem for many older makes and models...
     
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  4. Roothawg
    Joined: Mar 14, 2001
    Posts: 24,522

    Roothawg
    Member

    Have you checked with Falcon? They sell a lot of junk on ebay.
     
  5. Paul
    Joined: Aug 29, 2002
    Posts: 16,380

    Paul
    Editor

    Googled MB5170AM and first thing to come up is a Summit listing for half what egge wanted and free shipping.
     
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  6. cretin
    Joined: Oct 10, 2006
    Posts: 3,066

    cretin
    Member

    Yup, checked with them, nothing.

    They are backordered and don’t even have .010 listed.

    Looks like I have found a set though.
    Thanks for the help guys.


    Sent from my iPhone using H.A.M.B.
     
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  7. Roothawg
    Joined: Mar 14, 2001
    Posts: 24,522

    Roothawg
    Member

    I need to put a micrometer on my crank and see where it is at. So I can start looking.....
     
  8. pkhammer
    Joined: Jan 28, 2012
    Posts: 812

    pkhammer
    Member

    Let me know where you found a set. I'm in the very same boat looking for .010" under mains for my '55 331.
    -thanks!
     
  9. coupe33
    Joined: Nov 23, 2004
    Posts: 663

    coupe33
    ALLIANCE MEMBER

    I have a set of 1957 late 365 con rods that do not fit the 1954 331. I also tried 1960 390 con rods. When I pulled my 54 /331 apart there were two twisted rods and thought I could just change out with a different year but it turns out the width is different between the years. I still have the 1957 rods if anyone needs them. I gave the block to someone that had a cracked block.


     
  10. cretin
    Joined: Oct 10, 2006
    Posts: 3,066

    cretin
    Member

    Yea, I was thinking about getting the machine work done on my 331 so I can start collecting parts, even though I’m pretty far out from needing the engine.


    Sent from my iPhone using H.A.M.B.
     
  11. cretin
    Joined: Oct 10, 2006
    Posts: 3,066

    cretin
    Member

    Contact https://www.graceandcospeedshop.com He is getting them for us. Good luck!


    Sent from my iPhone using H.A.M.B.
     
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  12. pkhammer
    Joined: Jan 28, 2012
    Posts: 812

    pkhammer
    Member

    Did you successfully get your bearings? @cretin
     
  13. cretin
    Joined: Oct 10, 2006
    Posts: 3,066

    cretin
    Member

    Unfortunately, no we didn’t. It wasn’t the fault of who I referred you to though. He was supposed to get them from some old man who never came through.

    We ended up having to get .030 under bearings and grind the crank to that. Didn’t want to do it, but had no options.


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  14. pkhammer
    Joined: Jan 28, 2012
    Posts: 812

    pkhammer
    Member

    All I've been able to find is std and .040" under. Apparently there are new ones coming but it's going to be a wait. I've checked with Kanter, Egge, Falcon Global, Caddy Daddy, Honest John and Terrill Machine. I'm not going to grind a crank to .040" when it only needs .010" I guess I'm just gonna hafta wait. Oh well..........I guess I could've went for a sbc. :oops:
     
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  15. Dogberg
    Joined: Dec 30, 2017
    Posts: 18

    Dogberg
    Member

    Please let me know if its the wrong thread or if its maybe already cleared out and I just dont find.
    The bell issue putting a -62 390 to a -51 hydra matic. Is there excisting parts that would make this easy or do I have to go the hard way fabricating top half bell and use lower from the 331 with starter position? Maybe getting a later Hydra matic would be the answer most people will Think. This is going in a -51 serie 62 conv, have a totally rebuilt 331 -51 but been Reading a lot from you guys and have found a -62 390 to play with.
     
  16. You'll have to find a '55 bellhousing or an old B&M adapter to mount the early hydro behind the '62 engine. Then get the back of the crank machined to fit the early hydro pilot bearing. Also you'll need to use the starter from the 331 to match the early flywheel ring gear. Not hard to do if you can find the parts required...
     
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  17. Dogberg
    Joined: Dec 30, 2017
    Posts: 18

    Dogberg
    Member

    Thanks, that was the kind of answer I was hoping for!. 55 and later? Is this something useable or is this too late? https://www.ebay.com/itm/1963-1964-...906095?hash=item5d8e45edef:g:zuEAAOSwPMpdL3EL
     
  18. Dogberg
    Joined: Dec 30, 2017
    Posts: 18

    Dogberg
    Member

    Attached Files:

  19. Dogberg likes this.
  20. cretin
    Joined: Oct 10, 2006
    Posts: 3,066

    cretin
    Member

    What is the difference in distributors between ‘49-‘62?
     
  21. Roothawg
    Joined: Mar 14, 2001
    Posts: 24,522

    Roothawg
    Member

    Totally different. I’ll see if I can get a pic of each.

    76155A40-693B-4212-8DB6-8BABBE4A894D.png 856FD791-FE85-45B7-8DCA-057B2A82AF88.png
     
  22. cretin
    Joined: Oct 10, 2006
    Posts: 3,066

    cretin
    Member

    I mean what is the difference between all of them. Difference between a ‘49-‘54, ‘55-‘60, and a ‘61-‘62.
    I guess I see the difference between the ‘49-‘54 and the ‘61-‘62 above, but what about inbetween?
    There also seems to be a difference in the size of distributor holes in the block. I have a Mallory that fits my ‘49 331, but not my friends ‘54 331
     
  23. Roothawg
    Joined: Mar 14, 2001
    Posts: 24,522

    Roothawg
    Member

    55-62 are the same as far as I can tell. The early ones I can’t speak to. @Moriarity has a Hollander, he might be able to check for you.
     
  24. Moriarity
    Joined: Apr 11, 2001
    Posts: 30,755

    Moriarity
    SUPER MODERATOR
    Staff Member

    the trouble with looking dist up in Hollander is they list them all individually with no interchange because of different advance curves. 49-54 will all fit each other. The OP 's buddies engine may have a burr in the dist hole or some buildup of crud that needs to be cleaned before his Mallory will fit. bottom line is all the Caddy distributors that have a gear on them fit 55-62 and all Caddy dist with the "tang" drive fit 49-54
     
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  25. cretin
    Joined: Oct 10, 2006
    Posts: 3,066

    cretin
    Member

    The difference in the ‘49 and ‘54 block isn’t a burr. It s completely different size hole in the block. I’ll try to get photos of it.
     
  26. Moriarity
    Joined: Apr 11, 2001
    Posts: 30,755

    Moriarity
    SUPER MODERATOR
    Staff Member

    Ok I made a mistake. 49-53 have the tang drive and 54-62 have the gear. Sorry for the confusion

    I want to see a picture of the distributor that came out of it too
     
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  27. bushwacker 57
    Joined: Oct 3, 2007
    Posts: 630

    bushwacker 57
    Member

    I have a 1954 long bellhousing it has large hole for dist 54- 62. w / gear .
     
  28. cretin
    Joined: Oct 10, 2006
    Posts: 3,066

    cretin
    Member

    Ok so I see what’s going on now. The ‘49-‘53 has the tang drive and therefore, the smaller hole in the block. The gear is pretty large in diameter, so it needs the larger hole.

    So instead of my distributor missing a gear like I had incorrectly assumed, it’s missing the tang drive. That also helps me know what to look for to replace the distributors for my ‘55 331 and ‘62 390 that were lost in the fire.
    Thanks for the info @Moriarity
    Here are some photos of the situation.
    First photo is the Mallory in my ‘49 block
    Second is it in the ‘54 block
    And third is the Mallory next to the ‘54 distributor.

    9E05F5BC-872F-4E88-90AE-A06C83D53BB8.jpeg 177F6066-BD81-4EC5-8B4B-1F2AE3126643.jpeg 5136AA0C-750E-461E-BC00-E4A8199B8274.jpeg
     
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  29. Hollywood-East
    Joined: Mar 13, 2008
    Posts: 1,993

    Hollywood-East
    Member

    KIMG4226.JPG KIMG4227.JPG KIMG4224.JPG
    I bought that set-up in 05... Krazy
     
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  30. cretin
    Joined: Oct 10, 2006
    Posts: 3,066

    cretin
    Member

    How can you identify the early '49 spring loaded cam?
    I have a '49 331 that I'm going to be building for my roadster soon, and I don't want to come across any surprises when it is time to get a cam for it.
    The heads I have are not the 2 bolt heads, but the engine was apart, so I have no idea if those heads actually came off this engine.
    I have another cam that I saved from the remnants of the fire that I believe came from my '55 331, but I don't really want to compare them because I'm not 100% sure it's actually the '55 cam.

    So any help on identifying either cam is helpful.
     

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