Re: cfm quadrajet?
Big inch Pontiacs have been fitted with 800 CFM Q-Jets. Your 454 counts as big inch. If it were up to me, I'd be calling Cliff Ruggles for information. The removal of some of the venturi material to accomplish that kind of air flow makes these carbs a little touchy to make idle right.
https://cliffshighperformance.com/
__________________
~Steven
'70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper
Simi Valley, CA
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