Takes a good fuel pump and dependable valve springs, plus a tune that will allow high rpm romps and not cut off the fuel pump when it hits the tuned in RPM rev limiter.
Takes a good fuel pump and dependable valve springs, plus a tune that will allow high rpm romps and not cut off the fuel pump when it hits the tuned in RPM rev limiter.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
figured it out. tuner forgot the 5 speeds had a low fuel cutoff & consequently didn't raise it with the rev limiter.
00 FRC - just top end, exhaust, and a hot-air intake
99 Sierra - 5.3 / 5spd
↓ click the pic for the build ↓
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