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Old 09-13-2020, 11:37 PM   #2
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Join Date: Mar 2017
Location: southern California
Posts: 725
Default Re: counter weights needed?

Originally Posted by 31jalopy View Post
Ok if building a good street/performance motor and have a respectively light flywheel do you need counter weights? most people add weights to smooth out vibrations caused by weight of stock flywheel on crank/flex and main bearing stress, but if weight is greatly reduced from flywheel you gain smoother rotation forces? plus with no weights on crank less stress and force?energy/Horse Power from pistons.

Yes everything balanced individually then as one mass. pressure plat,flywheel,crank,pulley so if balanced properly do we need counter weights?

cheers guys
Crankshaft counterweights are added to offset the weight of the rods and pistons, not the flywheel.
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