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Thread: Is it worth it for me to learn to do this stuff myself? (TBI 4.3L to 5.7L swap)

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  1. 10-01-2012 #14
    PPPPPP42
    PPPPPP42 is offline
    Electronic Ignition!
    Join Date
    Sep 2012
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    Looks like with a 1227747 I want to use ARHT-$42-5.7L-Manual.bin‎ with my transmission since everything matches my current code but the engine. If that ECM plugs right in I'll be set, hopefully the rest of the harness is as cooperative. If I pick one up used I assume it doesn't matter if its a manual or auto truck so long as its a 1227747 since I will be changing the programming right?

    Looks like this is mostly a 1991 ECM, so the manual transmission trucks got an older ECM or so I thought someone mentioned?
    Last edited by PPPPPP42; 10-01-2012 at 04:53 AM.
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