03-16-2011, 03:50 PM
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CC Member
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Join Date: Jun 2005
Cobra Make, Engine:
Posts: 3,077
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With a difference of 14.5lb (alot of ounces) it would be impossible for the dumptruck big block to rev as fast as the small block. One truck engine will be linear in acceleration where the small block will be exponential. It comes down to performance or looks. A 500hp small block will beat any 500hp or larger big block in a blast from zero to 60. The small block will spool up faster and more than 500hp in a cobra cannot be effectively put to the pavement.
Quote:
Originally Posted by Jerry Clayton
As for crank weights---today I balanced a couple of engines--altho both were chev they are representative of what we been talking about---the sbc with a 3.75 stroke(1/4) weighted 47 1/2 lbs--the bbc 4 .250 strke weighed 62 lbs---these are both fairly lite wt internally balanced cranks so the counter balance weight is on the crank, not flywheel or frt dampner
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