So I have a 1985 square body k20 that I'm dropping the entire power train and wiring harness from a 1994 k1500 into. 350/4l60/np241c. My question is I know the chips are set for both the transmission and the gearing. Current PCM I have is a BJLF for 3.08/3.42. I know the BJLH is for 3.42/3.73. Should I just be looking for a BJLH to drop in or is that still gonna cause me issues?
4.10 gears and PCM chip...
- Thread starter usar17
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