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Old 07-27-2016, 11:05 AM
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Lighter parts are certainly easier on the system. I can't imagine the piston speed of a 5.750" stroke setup at 8000 rpm.

You'd be surprised at how quick a 12.5:1, 720 hp Ford FE will rev though with a 4.250" crank....that's not really anything exotic, and the crank weighs about 70 lbs.
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