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I have a 2000 vette with a ls2 400ci. I insatalled a epp performance blower cam. It has 1/34 primaries with 3 inch x pipes and magnaflow mufflers. I plan to install a intercooled procharger kit supercharger. I actually have a stock ls6 with a stock throttle ported by shanner. I also modified the mass air flow. Should I change by intake and throttle body? if so what would you suggest? Should I go with a ls2 ported intake and ported throttle body?
The ls6 manifold works great, no need to change it! I'm using a stock ls6/tb combination on my 402ci with no issues at all. Plenty of members here making big power with those parts...save your money.