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Old 04-14-2026, 09:19 AM
mgarblik mgarblik is offline
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Quote:
Originally Posted by Stan Weiss View Post
OK lets do some math. The dyno sheet is hard to read so I may have gotten a number wrong. Lets look at peak Hp - 4300 RPM.

Using Fuel A plus Fuel B and the shown BSFC we get 181.95 Un Corrected HP

Using Fuel A plus Fuel B and the shown A/F ratio we 2036.9 lbs/hr Air or roughly 445 SCFM

Using 181.95 Un Corrected HP and Fuel A we get a BSFC of 1.14097

Using Fuel A and the shown A/F ratio we 1712.7 lbs/hr Air or roughly 374 SCFM

I get a 1.053 Correction Factor

Stan
Thanks for doing the thinking, {math} for me. Made some sense out of that mess. I am a little puzzled by that fuel B. It should be zero and blocked off 100%. A Q-jet only has one inlet/fuel bowl. Certainly has some problems there. Some dyno, some carburetor, some engine? I think it's all because it's a Pontiac!!

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