ok bare with me probably a dumb question but when people say 4l60's cant handle much hp now is this at the crank or RWH?
ok bare with me probably a dumb question but when people say 4l60's cant handle much hp now is this at the crank or RWH?
2002 Gmc Sierra Z71, Aeroturbine performance exhaust, 33" prospector all-terrains, built 4L60e, K&N CAI, newly installed Vette servoand .500 boost valve, soon to come S&B tune and headers
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