Using the reproduction RA IV intake on a KRE headed 389 +.090". Lunati roller cam, fuel injection... mild build primarily for long distance cruising and the occasional auto cross.
I don't have any real numbers for you if that is what you are asking. Ports to the intake were no worse / better than the Offenhauser that came off of the old build.
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1966 GTO Resto-Mod. 2nd owner California car, Factory Air, Power Windows, Kauffman Heads, March Serpentine, Holley Sniper Quadrajet, MSD Dual-Sync, Gearstar 200-4R Level 3, Yank 2400 Stall Converter, Dutchman Axles, HGM Compushift Mini, Heidt's Tall Spindle, UMI Control Arms, Hellwig sway bars, CPP Big Brakes, AR Torque Thrust, Continental ExtremeContact Sport 02
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