Thread: Carburetor CFM
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Old 07-22-2022, 03:15 PM   #2
HO455
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Re: Carburetor CFM

There's going to be dozens of opinions on this subject, so just I will say the factory Qjet was rated at 750 CFM for most SBC 350, 400, 396, 402 and some 454 engines. The majority of 454s came with the 800 CFM version Qjet.
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