Tranny Bolt Patterns

Discussion in 'General Chevy & GMC Pickups Talk' started by Skoolboy, Apr 30, 2003.

  1. Skoolboy

    Skoolboy Member

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    Apr 17, 2003
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    Location:
    El Paso GREAT U.S.of. A
    Does the transmission bolt pattern remain the same for most GM Small block engines? Got a '66 w/a '70 Olds 400
     
    Skoolboy, Apr 30, 2003
    #1
  2. tech1

    tech1 Member

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    Dec 30, 2002
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    Yes they are the same.
     
    tech1, Apr 30, 2003
    #2
  3. Butch60stp

    Butch60stp Member

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    Jan 22, 2002
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    Location:
    Birmingham United States Of America
    Ok now I am confused but good......1970 model Buick,Olds,Pontiac transmission will not bolt to a chevrolet, the bolt pattern is different. Maybe something has changed in the later models , but back then the pattern for at least the automatics were different. A automatic transmission that would bolt to a 69 model Olds 350 would also bolt to a 70 model olds 455, but a chevrolet automatic transmission would not bolt to either.
    Butch
     
    Butch60stp, May 1, 2003
    #3

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