Does anyone have an electric water pump on their LS1? Jay Fisher Pontiac sells one for $800-$900. If you belive their dyno sheet, it might be worth it. (i am gueesing the car wasn't stock!!) I guess it gives gains the same way an underdrive pulley; lets more ponies to the flywheel. Or am I wrong? Thanks!

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1999 Z-28 M6: Gran.MAF, LS1 MoSports intake, K+N filter,Corsa exhaust, PowerSlot rotors, Hoch. strut tower bar, still working