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What is the difference?

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  • What is the difference?

    Hey,
    I was just curious as to what the difference is between: Small Block, Big Block, Long Block, and Short Block?

  • #2
    Small block vs. Big Block:
    It pretty much boils down to the simple size of the motor, with stroker kits and other items, it has nothing to do with displacement.

    Long Block vs Short Block:
    As far as I understand it a Long block is a complete motor (ie with heads/cam/intake/roller rockers/ the full top end)

    A short block is just the bottom end, consisiting of a block, crank, basically everything below the heads...


    These are how I understand the terms, someone else may have a better understanding and/or defintions.


    KnightFire
    1993 Formula Firebird
    Check Homepage for mods and photos...

    KnightFire's Lair


    Amsoil Dealer

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