most h/p setup?
You need injectors, pump, and on the safe side the "hotwire" kit that comes with most, if not all pumps. Most guys run into issues pushing low to mid 400's even with all the dyno tuning in the world.
Rails are fine and no FPR needed.
Rails are fine and no FPR needed.
On a stalled automatic you're going to need some *killer* heads, cam and intake to even get close to 500 at the wheels. Not gonna happen on the ls6 intake and will certainly require some sort of fueling mods with injectors at the minimum and probably a fuel pump also.
