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geezer#99 · 07-26-2013, 01:57 PM

Stock quadrajet carbis rated at 725 cfm. Even on your 305. THe trick is they're set up with different metering rods, step up springs and the secondary air valve is adjusted to limit the air flow.

07-26-2013, 01:57 PM	#8
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,776	Re: Carb Help Stock quadrajet carbis rated at 725 cfm. Even on your 305. THe trick is they're set up with different metering rods, step up springs and the secondary air valve is adjusted to limit the air flow.