Sounds like you zerod everything? I usually start with a stock chip and just adjust. There's tons of things you can mess up!
Sounds like you zerod everything? I usually start with a stock chip and just adjust. There's tons of things you can mess up!
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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