2001 b4c tuning issue with 5.3 241 heads
#1
2001 b4c tuning issue with 5.3 241 heads
2002 5.3 with 241 heads and all stock ls1 intake injectors motor and heads are stock just uploaded a stock ls1 file and runs ok but looking to tune it better any suggestions for tuning since it's lower compression now and if so what's the best way to do so. New to hp tuners