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big block install 60-66 chevy truck

Discussion in 'The Hokey Ass Message Board' started by skysoldier173rd, May 29, 2010.

  1. skysoldier173rd
    Joined: Jan 8, 2010
    Posts: 18

    from michigan

    Wondering how difficult it would be to put a bbc in one of this generation of trucks. Got a nice bbc and might pick up one of these trucks to put it in. Just wondering if firewall needs recessing, or if there are other issues? Anyone been there and done that?
    1Nimrod likes this.
  2. papajohn
    Joined: Nov 2, 2006
    Posts: 881


    I haven't done it, but I have a '63 panel truck and it looks like there is all kinds of room! Should be an easy fit.
  3. Astrochimp
    Joined: Sep 15, 2009
    Posts: 191

    from NE Mo.

  4. R Pope
    Joined: Jan 23, 2006
    Posts: 3,309

    R Pope

    Pretty much a bolt-in, lots of room. Small block mounts work.

  5. 40FORDPU
    Joined: Mar 15, 2009
    Posts: 3,065

    from Yelm, Wa
    1. Northwest HAMBers

    I agree, I installed a BB in my '65 years ago. No modifications were needed to the fire wall, I used the SB mounts, but had to modify them slightly (may have been the style of headers I used). I also used the stock radiator. Nice swap, Good luck.
  6. 1941ihkb5
    Joined: Feb 19, 2009
    Posts: 338


    Dad and I stuffed a 454 in my 65 back in the 80's. Originily a six banger. Plenty of room, I remember having the drive shaft shortened, We made our own mounts. The biggest pita was we did the swap in feburary out side.
  7. 63c10
    Joined: Mar 27, 2010
    Posts: 32

    from kentucky

    Bolt-in swap, shouldn't have any problems. Header fit would be my only concern. Good luck, and post some pics when you get started!
  8. piche582
    Joined: May 12, 2005
    Posts: 247

    from Sonora, Ca

    Did one in my friends 64. Did have to massage the frame a little for headers to fit & we replaced a good portion of the firewall as his valvecovers were hitting & it made them a bitch to get off.
  9. Pinball Wizard
    Joined: Jul 25, 2008
    Posts: 92

    Pinball Wizard

    Here is my 454 in my 64 C10.. Its mounted forward of the stock small block location, so the tall valve covers clear the firewall. Its on stock rubber mounts, the frame mounts are stock small block, slightly clearanced for the headers. Headers are tri y's for a 70's C10. Had to clearance the frame about 1/8 inch and ding one tube slightly. I've seen them in the stock small block location with stock type valve covers and its a tight fit.


    Attached Files:

    • 454.jpg
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  10. tom64c10
    Joined: May 7, 2016
    Posts: 1


    What headers did you use?
  11. patrick english
    Joined: Feb 15, 2008
    Posts: 806

    patrick english
    from La puente

    If you get the big block engine stands from a 1968 chevy truck,they're taller and you will have little more clearance for headers.The down side to using big block stands is the rubber for them is expensive( around $200).I welded a heavy duty washer(with a smaller hole) to mine so i could use the cheap small block $10 motor mounts.
  12. hedg12
    Joined: Feb 1, 2009
    Posts: 46


    My brother bolted a 454 in his 63 back in the day. Small block mounts and (I think) 73-87 pickup headers - might have been Chevelle headers, can't remember. Don't think any firewall mods were necessary. Plenty of room
  13. Pinball Wizard
    Joined: Jul 25, 2008
    Posts: 92

    Pinball Wizard

    I bought them used, so not 100%, but I believe they are Dougs D303Y-R

  14. We did those swaps all the time, same mounts, maybe a different top hose water outlet but an easy swap. On one BBC we just used flex pipe for the exhaust.
  15. Larry T
    Joined: Nov 24, 2004
    Posts: 7,661

    Larry T

    If you use an automatic, you can move the engine forward a little and not have to rework the firewall. If you want to run a clutch, you have to leave the engine in the original location for the clutch linkage to work. If you leave the engine in the original location, you have to notch the firewall for valve cover clearance. Passenger side takes a pretty big notch to clear. I don't remember what I had to do on the drivers side, so it probably wasn't much.
  16. I put a 427 in a 63 42 years ago. took a BFH to the firewall and made clearance for valve covers. other wise it was a bolt in.

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