Quote:
Originally Posted by Danr55
Wait, I'll get a dictionary. Volumetric Efficiency: as applies to internal combustion engines: the ration of horse power or torque to the displacement of the combustion engine. Let's see? the volumetric efficiency or 1.5:1 for a 302 would equal 451 horse power. Volumetric efficiency of 1.2:1 for a 428 = 514. When weight is factored in, 451/275lbs= 1.64. 514/475= 1.09
1.09 x 514= 561 451 x 1.64= 740.
It appears that you are correct.
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You made a couple mistakes, I have a 347. You have a truck 390. No math necessary.