dynamic bal.

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I purchased an aluminum flywheel and centerforce clutch. Contained with the flywheel was a note stating "This FW is balanced to stock FW specs. We recommend that you have the new FW balanced to the original FW" Is this necessart with a forged crank that is internally balllanced? Would it be better to balance the entire engine if necessary.
I would like to thank all the people that respond to these questions on this forum, this is a great resource.

7/23/038:12 AM

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Original Post

bosswrenchMember

You have a problem. Stock balence had an offset weight on both the flywheel and harmonic balencer with no weights in the crank beyond the as-cast counterweights. So with a crank (forged or not) thats internally balenced, all the balencing is to be done in the crank and the balence weights in your flywheel & harmonic balencer must be machined away to zero-balence them.... or be traded for the correct parts. The clutch is likely OK as-is. Centerforce & other clutch mfgrs do not offset-balence their product so its already zero-balenced. Running the engine with your present combination will likely be highly unpleasant due to vibration, & will rapidly wreck your motor. FWIW, I'd get in touch with a competent engine builder that is familiar with the 351-C.

7/23/0310:21 PM

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