Sounds like piston slap. I wouldn't be too worried. I remember hearing something about the 4.8L around that year having issues.
Sounds like piston slap. I wouldn't be too worried. I remember hearing something about the 4.8L around that year having issues.
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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