Quote:
Originally Posted by hatzie
Programming the PCM to GM defaults for the donor engine and settings you want would be my first step. Pick a VIN for the LM7 that has a manual transmission and 2WD. Who cares what the VIN in the PCM is as long as it has the options you want.
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Seriously, that is Information Gold right there bro
Quote:
Originally Posted by hatzie
If you look at my 2005 Silverado thread there's info on how to do this using a Chinese WiFi MDI or GM VX Diag or some other SAE J2534 interface and the AC Delco TIS web applet. You will have to pay $40 for a 2 year Delco TIS subscription.
First set the PCM to an original GM baseline via TIS then start tuning it.
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thank you so much