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Thread: LT1 PCM Benchtop Programming with 7747?

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    RIP EagleMark's Avatar
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    Feb 2011
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    LT1 PCM Benchtop Programming with 7747?

    It was cold today and I was bored so I wired up my LT1 PCM with a on/off switch, six wires and an ALDL port mounted in an old 1227747 ECM empty case, ran power to my EFI bench. Works great!



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    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

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