
03-14-2008, 06:13 PM
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Christopher Boles
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Join Date: Dec 2004
Location: At the other end of the state
Posts: 2,185
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Quote:
Originally Posted by roy
I just cut all the counterweights off the 1750 crank & had it balanced ( 10# off a 42# crank ). My machine shop said it would be no problem as long as the engine is always accelerating or slowing down ( no harmonics from constant 7000 rpm full speed runs around Daytona ! ). It's been 8 years now & it still runs great !
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I don't understand...is a knife edged crank subject to breaking because of harmonics? I hate what if questions but here goes...if I am cruising down the freeway at 4,000 rpm in a steady state, am I subjecting the crank to internal harmonics? Please clarify.
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