4L80E will I lose power??
#21
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Best decision I made was to swap in the 80 before the 65e ever crapped out on me. With the aftermarket converter you will hardly notice the taller first gear, if at all. The stocker is an anchor and I bet is the biggest difference in feel off of the line after the swap.
#23
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so i did not get the truck today. my pcm does not have the stuff to command the 4l80....but i overnighted a 1200 TCI control, , this damn thing has got to the $7000 mark....nobody told me it would be that much...lol
#26
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Your tuner must use HPtuners... I have only ran across 1 OS that didn't have a 4l80e counter part that could be used for the conversion with EFILive and it was some rare flex fuel deal. Pretty sure your PCM would have worked fine with the 4l80e, mine as well as many others do
#29
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we use hptuners...most pcm have it in there he said. and that mine was the only one he has seen were he could not do the cov. he look at like 50 tunes and all of them had where he could change the psi. in the trans or somthing. im getting in to all this tuning ****...lol, but its all good. the damn thing is in the AIR by now and on its was to NC overnight as allways...lol