Chip has a notch, some go in and if you put it in wrong will damage chip. Some notch goes out like in a Memcal and IIRC will not damage chip if put in backwards.
What ECM, what chip? Offsets set correctly?
Chip has a notch, some go in and if you put it in wrong will damage chip. Some notch goes out like in a Memcal and IIRC will not damage chip if put in backwards.
What ECM, what chip? Offsets set correctly?
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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