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Thread: 502 CRATE

  1. #1

    502 CRATE

    WHAT IS THE BIGGEST CAN I STROKE MY 502/502. THANKS

  2. #2
    Member MASTER JOURNEYMAN
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    you could go to a 4.875 stroke and get 611 c.i.

  3. #3
    Senior Member RACING JUNKIE
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    Quote Originally Posted by fatjodycat
    you could go to a 4.875 stroke and get 611 c.i.
    Beg to differ, but you can't get that stroke in that short deck block.

  4. #4
    Member MASTER JOURNEYMAN
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    what would be the biggest stroke that block would take?

  5. #5
    Senior Member MASTER BUILDER
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    Quote Originally Posted by fatjodycat
    what would be the biggest stroke that block would take?
    I would say a 4.5 inch stroke

  6. #6
    Member MASTER JOURNEYMAN
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    thanks for the info. Can you use that as a rule of thumb for the short deck blocks (4.5 stroke) ? being the limit.

  7. #7
    Senior Member RACING JUNKIE
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    The Jim Pace GM book says you can run a 4.600 but you are going to be restricted by rod length and piston pin placement (can we say expensive?)
    The 4.500 will work fine with lots of parts options (can we say less expensive?)

    Good luck... Dave

  8. #8
    Senior Member MASTER BUILDER
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    If you are able to get a 4.500 bore out that block with a 4.5 stroke you would have a 572. Those 572's make some really good power. You also need to remember the bigger you go the more head you will need which is more money. Do your homework before you start going too big.

  9. #9
    Senior Member EXPERT BUILDER
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    id only go 4.375 if it was mine.

  10. #10
    Senior Member RACING JUNKIE
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    Quote Originally Posted by russ67chevelle
    id only go 4.375 if it was mine.
    Agree with Russ make it a 557 cu in with a longer rod. Dave


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