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Re: Engine Vibration
Posted to R.P.M. Forum on 5/14/2013 5 Replies

Hello, Joseph

The 400 SBC has a longer stroke and longer rods than a 350 SBC. The harmonic balancer is a lot thicker and heavier and has a counterweight cast into it.

The flywheel also has a heavy counterweight cast into the stick shift model or welded ont... Login to read more.

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