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Olds gurus! cam swap advice needed

Discussion in 'The Hokey Ass Message Board' started by 3x2rocket, May 5, 2008.

  1. 3x2rocket
    Joined: May 1, 2007
    Posts: 248

    3x2rocket
    Member

    So the saga continues... The guys at the machine shop didn't think they needed to call me before putting in a cam that is way too big for my purposes. What was supposed to be a Isky 3/4 race cam is instead a full race cam. Needless to say I have insufficient low-end torque and vacuum. I now have the right cam in my possession and I need to get it in there. I've done a few sbc cams but its been a long time, is there anything especially different with the ol' rocket that I need to look out for?

    Engine is original 1955 block, now bored to 4.00" and fitted with 57' pistons. On top 56' #10 heads with 1:8 rockers.

    Thanks!
     
  2. belair
    Joined: Jul 10, 2006
    Posts: 9,015

    belair
    Member

    I can only offer you ENVY, no help. One of the mags, Custom Rodder? is doing a 324 build. They have it on-line. I have a 55 Super 88 2 door sedan and would love to do the 346 thing you got going. Good luck. Yorgatron of some other helpful person will be along soon.
     
  3. Paul
    Joined: Aug 29, 2002
    Posts: 16,413

    Paul
    Editor

    pretty much like most V8s
    new cam gets new lifters
    don't forget the cam button and spring
     
    Last edited: May 14, 2015
  4. 3x2rocket
    Joined: May 1, 2007
    Posts: 248

    3x2rocket
    Member

    Thanks Paul, I'm glad I asked since I was going to reuse the lifters. They only have about 400 miles on them.

    Good luck on yours Belair! Hope it won't cost you a small fortune like mine did!
     

  5. F&J
    Joined: Apr 5, 2007
    Posts: 13,222

    F&J
    Member

    another thing; make sure you have the correct cam. A cam from a 56 324 won't fit the 49-55 because the journal size is bigger, but is the same length.
     
  6. Heath.H
    Joined: Apr 18, 2015
    Posts: 16

    Heath.H

    Where did you find a 3/4 cam for a 1955 olds?
     
  7. I think goatroper2 on here is an olds guru?
     
  8. 3x2rocket
    Joined: May 1, 2007
    Posts: 248

    3x2rocket
    Member

    Texas Webb sure called it... Goatroper02 is an olds guru. I got my cam from his shop rossracingengines and I am very happy!
     

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