Horse power - Chevelle Tech
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post #1 of 3 (permalink) Old Mar 31st, 19, 1:09 PM Thread Starter
 
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Horse power

I'm just asking for rough estimate on horse power. I have a 406 sbc with 11:1 compression. 64 cc camel hump heads ground out to 202. In a 64 impala 4 speed with 336 gears? 650 dumple pumper carb. With headers and split plenum aluminum manifold. Steel crank and 453/221 453/230 cam....Idea's?
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post #2 of 3 (permalink) Old Mar 31st, 19, 1:40 PM
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Mike
 
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Re: Horse power

Based on this calculator 447 @ 5500 rpm.
Rough Engine Horsepower Determination Program

70 LS5 convertible
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post #3 of 3 (permalink) Old Apr 1st, 19, 1:30 AM
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Chris
 
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Re: Horse power

i think cam and heads are too small. I'm guessing it runs out of air by 5000 rpm. I'll say 370 hp.
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1971 Chevelle SS454, T56 Magnum 6 speed, 3.31 Posi

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