3.73's will be a good improvement over 3.23's, but somewhere in between 4.10's and 4.56's would be a whole lot better and more fun.
3.73's will be a good improvement over 3.23's, but somewhere in between 4.10's and 4.56's would be a whole lot better and more fun.
ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06
waiting to go in... 3.90s, 214/220cam