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Thread: bbc balance question

  1. #1
    Member JUNIOR BUILDER
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    bbc balance question

    i have a internally balanced 468 chevy,am getting a dart block and going 4.5 bore,old pistons weighed 587 new ones weigh 618, should i rebalance?

  2. #2
    Member CRAFTSMAN
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    Its pretty close but......I would,.. its all apart,....
    Smoldery Smokey Burnouts To You All

  3. #3
    Senior Member RACING JUNKIE
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    Re: bbc balance question

    Quote Originally Posted by taps
    i have a internally balanced 468 chevy,am getting a dart block and going 4.5 bore,old pistons weighed 587 new ones weigh 618, should i rebalance?
    Yes not close enough for me
    David Lanning
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  4. #4
    Senior Member EXPERT BUILDER
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    Now your crank is under balanced which is not a good thing over balance that much would be fine 31 GRAMS under balanced is a lot!!!!!!!!!
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  5. #5
    Senior Member MASTER BUILDER
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    Yep, definitely balance that thang
    It Ain't Over Til Its NOVA - 634ci of S*#t Your Pants!

  6. #6
    Senior Member MASTER BUILDER
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    Quote Originally Posted by slickfuel
    Its pretty close but......I would,.. its all apart,....
    Get it balanced while it is apart wont have any headaches later :wink: :wink: ...balance the whole assy, crank, rods, pistons, balancer and flywheel

  7. #7
    Senior Member RACING JUNKIE
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    Which weighs more 25 lbs of wet sand or 25 lbs of dry sand.

    They weight the same,

    Your new pistons don't.

    I would most definately get the rotator balanced.


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