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Hot Rods Chevrolet bell housing bolt pattern

Discussion in 'The Hokey Ass Message Board' started by Kollofski, Feb 13, 2015.

  1. Kollofski
    Joined: Nov 29, 2008
    Posts: 56

    Kollofski
    Member

    Technical question. Are the dowel pins for locating the Chev. bell housing to a block, in alignment horz. with the centerline of the crankshaft? I'm trying to build an adapter to mate a Chev auto trans to a non GM engine.
     
  2. ROADSTER1927
    Joined: Feb 14, 2009
    Posts: 3,255

    ROADSTER1927
    Member

    No they are above it.Gary
     
  3. Hnstray
    Joined: Aug 23, 2009
    Posts: 12,355

    Hnstray
    ALLIANCE MEMBER
    from Quincy, IL

    No, they are not. The dowel pins are above the centerline of the crankshaft.
    I thought I had a dimensioned diagram and just looked for it. Did not find it,
    but found a BOP pattern. The dowel pins on BOP are in the same location as
    Chevrolet in reference to crank centerline.

    Ray
     
  4. Hnstray
    Joined: Aug 23, 2009
    Posts: 12,355

    Hnstray
    ALLIANCE MEMBER
    from Quincy, IL

    Here you go............... Chevrolet Block Pattern.png

    Ray
     
  5. Unkl Ian
    Joined: Mar 29, 2001
    Posts: 13,509

    Unkl Ian

  6. stimpy
    Joined: Apr 16, 2006
    Posts: 3,546

    stimpy

    Hey Ray that the Chevy Bolt pattern ,no top center bolt in BOPC
     
  7. Lots of good info there, Unkl Ian, thanks.-MIKE:cool:
     
    Unkl Ian likes this.
  8. volvobrynk
    Joined: Jan 30, 2011
    Posts: 3,587

    volvobrynk
    Member
    from Denmark

    Hey Ray

    Is there a off chance you got any more pics like that?

    I've thinking about doing a threat with such info, to ease any engine swap. Maybe split it up with engine pattern, gearbox pattern and different bells. Sae bells, the difference between a car or a truck bell housing

    This would help a lot of people!
     
  9. weps
    Joined: Aug 1, 2008
    Posts: 549

    weps
    Member
    from auburn,IN

    I would have given my left nut for that drawing 30 years ago!
    Thanks
     
  10. THE FRENCHTOWN FLYER
    Joined: Jun 6, 2007
    Posts: 5,814

    THE FRENCHTOWN FLYER
    Member
    from FRENCHTOWN

    Here is the cartoon I use when I put a Powerglide trans behind one of my Ford bullets. The Ford dimensions are for all small block Fords - 221, 255, 260, 289, 302, 351W as well as the 240 / 300 big sixes. Who'd want to run a six??

    One of the locations on the left hand side comes real close to overlapping the Chev hole. In that location I use a little cantilever clamp I make up.

    [​IMG]
     
  11. Hnstray
    Joined: Aug 23, 2009
    Posts: 12,355

    Hnstray
    ALLIANCE MEMBER
    from Quincy, IL

    p



    Bryan (spelling?),

    I got that diagram by googling "chevrolet bell housing bolt pattern". A page came on screen with a lot of diagrams for chevrolet and other applications.

    I think a Google search for other types, Mopar, Ford, etc. will produce similar results.
    I am away from home using my iPad as I reply to your post, rather than my home PC which is more versatile for this sort of thing. But hope the info provided is helpful.

    Ray
     
    Last edited: Feb 15, 2015
  12. volvobrynk
    Joined: Jan 30, 2011
    Posts: 3,587

    volvobrynk
    Member
    from Denmark

    Brynk, first name Rasmus.

    I've been googling stuff and will see what I can start up.

    Might give you and heads up.
     

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