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ok, so i havent had any time to work on it this past wk, but i was wondering since the t42s have 3 sets of CAN bus links and the tbss only uses 2 of them; that what would happen if i jumped the ecm...

would you have a 2008 4l80e tcm calibration i can use? i'm pretty sure i have a 2008 ecm out of a saab aero

Here is the modified 4l70e tune with 80e ratios and no ISS input, using the frost/pcm4less harness. Thanks again

2007 trailblazer ss 390ci stroker, 4l80e, 80mm turbo, runs on e85. SD tuned, 127lb injectors. e67 ecm/t42 tcm. was running trans harness with relays and only oss sensor, and ran it with 4l70e tune...

i have the tunes on my brother's computer, and have yet to get him to post them up. sorry about my limited knowlege on this stuff. taz, if you think you can help me, call me at 248 459 9263, i would...

are you saying i cant get a 4l80e tune to do this? i wired the harness at the tcm and at the trans like a 4l80e. I tried to flash a 4l80e tune in it last night, and it didnt work. i need to look up...

so, i had the pcmforless/tuned by frost trans conversion harness and did not like the fact that there is no iss, so i pulled the harness off, and re-pinned my stock harness plug and added an external...