Originally Posted by Darkblue5.3 6700ish only thing stock on the truck right now is the fuel pump...not much of a fueling guy but i think that may be an issue as to why its not at 7k? Holy crap stock fuel pump? I bet it's dying. Time for a bigger one no doubt.
ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06 waiting to go in... 3.90s, 214/220cam
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