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ok maybe im back to square one. buddy told me about resetting ltft. something i apparantly missed and maybe i need to paste a comparison, it just comes down to time however with the 4.8/5.3 mystery i...

right and i believe we went over that in an earlier post that being that this is an iron block it wasnt one of the examples of a 5.3 built without dod afm. it would in fact have to be aluminum to fit...

oh for hecks sake.........but it doesnt have the dod afm valley cover which to a previous point had to be a 4.8L? how the heck do you tell what it is otherwise? tried bore scoping the back of the...

so back at this some. pulled plugs today, strap is almost entirely white, the drivability has sucked trying to get it to get out of its own way sometimes. In response to some previous comments i...

so if DOD is removed then i dont necessarily need to worry about those? consdering its copy/paste it still wouldnt be the end of the world

i havent yet tuned my VVE yet so i probably shouldn't be...

so some nervousness there. where to start? this is where my lack of knowledge and ultimate downfall begins. what do we mean by VVE tables dont match.

I figured base timing tables may have been...

update i took the suggestions here. response for power enrich is way better, idle is seemingly happier at 600 right now more to come. acceleration until around 40mph is still super sluggish i really...

thanks this was what i thought i was understanding but something along the way clouded my judgement.

hey all, ive had my 99 k1500 for going on 10 years now. initially i purchased credits for the black box ecm to change my vss signal since i have 35s and 4.56 gears, the calibration from stock with...

i was told this was a 5.3 opening the valley showed there was no DOD/AFM in it. ill be somewhat upset if its truly a 4.8 but it came out of a truck vin'd as a 5.3 per the GM build sheet. the motor...

Hello all, new guy here. pretty new to tuning and could use some advice here. I bought the truck with a bad trans, go figure in a 60e. had a decent rebuild done, Trailblazer converter and shift kit,...

did you ever get a copy, ive been searching for one and have come up dry

i too have been searching for an answer on this. my 09 is a halfton with a 60e. i have tow/haul but its not actually listed as tow haul in the ecm. how do you know what its changing? instead i see...