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Bolt patterns for engine replacement

Discussion in 'The Garage' started by speed_deed, Mar 31, 2002.

  1. speed_deed

    speed_deed 1/2 ton status

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    What year gm engines have a bolt pattern that will line up with my '84? I have said I am looking for a bigger engine and figure I better just figure out what do and dont have the same bolt pattern.
     
  2. ol_grayfeather

    ol_grayfeather Registered Member

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    If your talking about engine to tranny bolt patterns?.................I think they're all the same...big blocks and small blocks
     
  3. outlaw612

    outlaw612 1/2 ton status

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    Should all be the same.
     
  4. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    All small block and big block CHEVY'S are the same bolt pattern, but Cadillac, Buick, Oldsmobile, Pontiac use a different bolt pattern from chevy's
     
  5. chvyhs

    chvyhs 1/2 ton status

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    Even the older 6 cyclinders are the same bolt pattern.
     
  6. speed_deed

    speed_deed 1/2 ton status

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    Hey thanks thats what I needed to know. Thanks for your help everyone else.
     

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