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Re: Re: Re: Re: Re: Engine On M RPMs
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Posted by Bob M on November 21, 1999 at 07:08:27 from (171.211.118.192):
In Reply to: Re: Re: Re: Re: Engine On M RPMs posted by T'other Fred on November 20, 1999 at 16:37:00:
Hi Fred - Reason you don't want to spin those 4 cyl engines much beyond the nameplate RPM is the cranks are not counterbalanced, and they ride in only 3 main bearings. Spin these motors much beyond design speed and unbalanced forces on the crank and rods will overstress these parts AND the bearings. Not hard figure what can happen then... Bob M
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