Quote:
Originally Posted by 8cd03gro
I'd be willing to bet the volume of the intake ports in the 4v is quite a bit larger than (5.0/6.2) the volume of the intake ports on the ls3. I wouldn't be surprised the if valvestems on the ls3 are thicker than the valvestems on the 5.0 also. I would think increased pressure under each valve would necessitate a thicker base, but that's just some logical reasoning, I'm not sure. I have never really thought about it or noticed.
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intake ports on the 5.0l coyote are 195cc. far smaller than ls-3 heads. the coyote makes similar power from superior flowing heads, more advanced chambers(penatroof>inline 2v), and higher rpm. cams are .475 lift. duration is unknown as of now.
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2011GT E85, Kooks 1-7/8", 3" offroad X, 2-7/8" overaxles, Roush mufflers, CobraJet intake, SCJ monoblade throttle body, drew 4.5" CAI, Boss302S exhaust valve springs, Baby CobraJet exhaust cams. 3.73 gears, lightweight 300A. 455rwhp @7800/410rwtq SAE 5000lb roller dynojet
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