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Old 10-12-2006, 09:42 AM
bret a ewing bret a ewing is offline
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Join Date: Dec 2003
Location: Lehigh Valley, PA, PA
Cobra Make, Engine: Look-a-like cobra POS
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Dan,


A guideline................
To calculate what your engine needs with respect to CFM:

.

CFM: Engine Displacement (cu. in) X Max RPM
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3456

.
.

Round up to the next carb size if just above/below rating.
__________________
B. Ewing

Last edited by bret a ewing; 10-12-2006 at 09:45 AM..
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