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55 Pontiac help!

Discussion in 'The Hokey Ass Message Board' started by Nick Horn, Mar 16, 2009.

  1. Nick Horn
    Joined: Oct 6, 2008
    Posts: 5

    Nick Horn
    Member

    I've been working on my 55 chieftain 2 dr coupe for a little over a year now and it's time to put the engine in. I got a crate 350 chevy with trans combo (belly ****on but super reliable!) and went to drop it in when the dramas started! The sump was fowling on the steering rack so I tried lifting it but then the transmission started fowling on the tunnel. To have the sump and the transmission clear of hitting anything the engine is at a crazy angle which doesn't make any sense.

    In a nutshell has anyone put a 350 in a 55 pontiac? if so any chance of any advice?

    maybe something worth mentioning just in case anyone else has any good ideas is that the chieftain looks like it has the same ch***is as the 55 chevy convertible (with the k member). Not the same ch***is as the sedan.

    Thanks a million in advance!!
     
  2. You can buy modified oil pans to clear the steering linkage.I have seen self notched pans and is a solution if you are handy with a mig.
     
  3. You didn't mention whether you have a USA or Canadian version of the Pontiac.The wheelbase on the USA car is 122"(or 124" if it is a Star Chief)whereas the Canadian version is 115"(actually a Chevrolet frame).
     
  4. Hi!
    Joined: Oct 4, 2006
    Posts: 731

    Hi!
    Member
    from SoCal

    Ive put a 350 700r4 in a Safari, had all the room in the world. Is a Cheiftan different?
     
  5. AeroMonte
    Joined: Feb 5, 2007
    Posts: 156

    AeroMonte
    Member

    I put a BBC in a 56 Chieftan 2dr hrdtp with a turbo 400 trans and had no clearance issues.
     
  6. Nick Horn
    Joined: Oct 6, 2008
    Posts: 5

    Nick Horn
    Member

    Notching the oil pan (sump) is definitely something I thought of. Forgive my ignorance but is there any reason I couldn't do that? Wouldn't affect how the oil gets around the engine?

    I'm pretty sure that it's an American Chieftain - not the Starchief model. Mine has the stumpy trunk.

    Thanks for the help!

    Unfortunately I'm not handy with a mig at all! Anyone in the UK who could do that modification?
     
  7. topls41
    Joined: Feb 23, 2009
    Posts: 12

    topls41
    Member

    Some of the mid 1960's Chevy II oil pans may work for you. They are made for a different cross member than the standard ones. Sorry I don't recall the exact year model anymore.
     

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