Originally Posted by EagleMark The little silver tag on chip will have the four letter BCC we are looking for. and? Originally Posted by EagleMark 1998 5.7L engine, did you change the intake to TBI?
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42! 1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner! -= =-
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