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-   -   bbc balance question (https://www.racingjunk.com/forums/showthread.php?t=23664)

taps 03-31-2009 05:02 PM
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?

slickfuel 03-31-2009 05:46 PM
Its pretty close but......I would,.. its all apart,....

hammertime 03-31-2009 06:16 PM
Re: bbc balance question
 
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

hink 03-31-2009 06:24 PM
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!!!!!!!!!

chevyfireball 04-02-2009 04:15 AM
Yep, definitely balance that thang

radicalz 04-03-2009 01:44 PM
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

ashbros 04-13-2009 11:58 AM
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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