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  1. C

    96 5.0 Vortec to 98 (I think?) 7.4 Vortec

    My question is is it a straight-forward swap with just an ECU re-flash or is it more complicated. Should I use the ECU from the 454 truck? I plan on using the 4L80e trans too unless it would be better to keep the 4L60e that is in the truck now behind the 5.0. EDIT: I think I found...
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