Forum: Tuning

First i have a 1999 silverado with 4.8. I want to order a tune. They say the 1999 trucks had a crappy pcm as it was slow. If i order a tuned PCM from...

Had the Crank Position Relearn light come on. I have a Nelson tune and I was wondering if someone with EFI or HP could do the relearn with the PCM...

can someone take a look at my log and hpt file and point me in the right direction? Im new to tuning and have been away from the site for a while. id...

So I always have used NP for my tunes but with the new setup and being so far away from san antonio getting a live tune is pretty much out of the...

it's safe to say that i'm completely stumped as to why my 6.0 runs fine when going straight off the VE tables, but goes stupidly lean as soon as it...

I was going to buy the tried and true innovate lc-1 with a gauge. I have had them in the past and they do the job well. A friend of mine has an PLX...

I'm in the process of finishing up my 4l80e swap but I need a to figure out what to do on the HD file segment? As of right now the 80e trans is...

hey guys, are there any reputable hptuners users in the area? i have a customer there that needs transmission tuning; as you know the tcm is...

I'm in Alabama and I'm getting close to cranking my 89 c1500 with 2008 ly6 with a EPS vvt cam and 4L80e swap Just curious if anyone knows of any...

I have a hp tune on not already. The guy who tuned it has no idea what he is doing. I can't even pull a 14ft empty utility trailer. With out it...

I just received my new PCM in the mail and didn't waste anytime getting it installed. I was super excited since I was told to expect 30 RWHP on 91...

Iv been calling for close to a month and have left messages, any way i can get in contact with them other than there phone?

Does anybody know of a good, reputable tuner in Oklahoma? Truck is a 2000 Silverado ECSB 5.3 bone stock with no plans of modding. Also, if I were to...

so ive got a U1301 code showing up. im pretty sure this is not an emissions related code and its not too important as its not illuminating the CEL. ...

Right now I have an autocal from blackbear. I'm going to be getting hp tuners. My first question is can I have them both licensed to my truck at the...

Hello all, I am a first time poster, I read a tone of info on here. Anyway I am dealing with a huge issue that has plagued me and my tunner...

Finally!! Got an appointment for Nelson to tune my stock 2013 5.3 on Monday. Can't wait to terrorize the Ricers and Mustangs!! It's only got 3000...

I have a 1999 silverado ecsb 4x4 with 4.8 i am wanting to order a tuned PCM from nelson but have a few questions. From what i understand, its 300...

Anybody have any experience with a mail in order Blackbear tune for the 4.8?

I was watching a dyno on a stock C7 and GM set top speed to 200MPH, the car makes just over 400 at the wheels, on a top speed run on the dyno around...