Engine balance

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Re: Engine balance [Re: Plymouth340] #3110470 01/09/23 11:10 PM 01/09/23 11:10 PM
Joined: Sep 2012 Posts: 39 West Central Indiana PROSTOCKTOM member
PROSTOCKTOM member Joined: Sep 2012 Posts: 39 West Central Indiana	Originally Posted by Plymouth340 Got new pistons for my small block. They weigh 16 grams each more than the old ones. Do I need to get the motor rebalanced?..8500 RPM On a 5000 rpm engine 16 grams matter. On a 8500 rpm engine 1 gram matters. Yes you need to rebalance.As previously mention taking 16 grams off the pistons might be tough to do. Changing the wrist pins is more probable, but you should still rebalance the engine. Tom Molnar Technologies Full Service Dealer - Crankshafts & Connecting Rods

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