alternator differences
#14
but his 4.3 has a cable tb and the new 5.3's are drive by wire. he has the eletric pedal and pedal box and 5.3 harness. could he just hook all that to the 4.3 pcm and load the tune? would he do a vin change or what? not sure how you over right a 4.3 to a 5.3 never did it.
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