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Technical 264 Buick nailhead manual & auto crank

Discussion in 'The Hokey Ass Message Board' started by EVL401, Apr 1, 2014.

  1. EVL401
    Joined: Sep 12, 2012
    Posts: 137

    EVL401
    Member

    Gday all just doing some research for a mate. He's about to drop a 264 baby nailhead into a Model A & wants to run a manual trans behind it. Is there such thing as an auto crank & a manual crank? Any info would be much appreciated.

    Cheers from downunder!!!!
     
  2. Lamb
    Joined: Jan 20, 2010
    Posts: 87

    Lamb
    Member

    Hey mate, I'm also down under with a baby nail and a manual behind it.
    you'll need a pilot bush adaptor if it was originally an auto.
    Russ Martin is your man. centerville auto repair / nailheadbuick dot com.
     
    EVL401 likes this.
  3. TagMan
    Joined: Dec 12, 2002
    Posts: 6,049

    TagMan
    ALLIANCE MEMBER

    Measure the bore of the crank and the OD of the crank pilot. If my memory's correct, they're the same size as a small block Chevy crank.
     
  4. Ebbsspeed
    Joined: Nov 11, 2005
    Posts: 5,140

    Ebbsspeed
    ALLIANCE MEMBER

    I don't know anything about the nailheads, but the Buick Straight 8's had a totally different flange on the crank for manual vs auto trans. Not sure if they carried that forward to the nailheads, but as a word of caution I'd measure carefully to make sure that what your buddy wants to do will work.
     

  5. TagMan
    Joined: Dec 12, 2002
    Posts: 6,049

    TagMan
    ALLIANCE MEMBER

    I forgot - I have a Buick Parts manual! Looked up a 264 crank and the book says:

    1953-1957 crankshaft - All V-8 - Group # 0.646; P/N 1318491.
    NOTE: For C.T. ("Conventional Transmission" i.e. manual shift) use Brg. & adapter Group #0.649; P/N 1611771


    Therefore, the crank is the same for both transmissions. You'll just need the pilot bushing. Try a SBC bushing....................
     

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