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09-11-2004, 02:34 PM
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#4 |
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Registered Member
Join Date: Nov 1998
Location: Houston, Tx.
Posts: 3,887
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670-750
I use a 625 Road Demon on my 306 and its just right. On a modified 351W, I think a 670 Avenger or even up to 750 would be OK for the 351W(depends on mods). I assume we're talking vacuum secondaries here. They are much more forgiving due to the fact that the secondaries only open on an "as needed" basis. I would never put a 500 CFM on a 351.
Rev
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'66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi. O.B.C. #2 '66 coupe |
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