just got a 14 gmc serria with the 5.3 ecotec in it. has long tubes cai and full exhaust. need help on tuning it. anyone have advice or a tune i can look at
just got a 14 gmc serria with the 5.3 ecotec in it. has long tubes cai and full exhaust. need help on tuning it. anyone have advice or a tune i can look at
post up file and information you would like to know,,, i would start off like the older models timing,maf,PE,shift points,etc
Josh Performance Tuning (956)784-0059
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