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#1 (permalink)

02-23-2004, 10:25 AM

MidOHasp

CC Member

Join Date: Jul 2003

Location: Cleveland, OH

Cobra Make, Engine: SPF1670 Stroked Little Windsor - Runs OK.

Posts: 1,244

Not Ranked

I'm not challenging anyone's remarks on the carb, just asking a question here:

I've seen an equation in numerous locations that is supposed to help you figure a carb size (doesn't take into account all variables) and that equation put me at 750cfm for my 408 running 6000-6500 rpm.

The guy who dyno'd the motor said we needed a dominator 1150 on it, while the equation I ran actually put me at about 710cfm. I bought a Speed Demon 750, upped the front jet 1 size, and am running pretty good.

Is there a different school of thought on carb size?

JP

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