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How much cylinder head flow needed to feed 535CI?
This is going to be very vague I know but approximately/roughly how much cylinder CFM flow would be required to feed a naturally aspirated 535 CI Pontiac bracket engine? I'm pretty confident my 290cfm heads will fall well short.
Assumed Variables: my 78 Trans Am below, Northwind 4500 intake, necessary size Dominator, appropriate size solid roller cam. E-85 fuel Playing on the KRE website, it looks like I can have my KRE 290 D-port heads and Northwind opened up to 340cfm. Of course I'd probably have to find some round port adapters so I could run bigger round port headers. Thanks, John
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Johnny US Army Retired 1978 T/A 463 Pontiac, KRE 74cc 292CFM D-ports, Lunati VooDoo, V-max lifters, TKII, ATM 850 E85 carb, TCI TH-350 race tranny, 3600 converter 3.73 12 bolt 11.63@116.68mph 1981 T/A 4-speed 406 Pontiac, Merrick ported 6X heads, Comp 270S cam, Crosswind intake 750 Street Demon, 3.42 30 spline Eaton posi street car. 1980 Formula 350 Pontiac back burner project 1972 LeMans 350 Pontiac |
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