Forum: Tuning

I have a 2003 5.3 regular cab and im just going to add an intake to my exhaust cas im going to drop a new engine on down the road. I want a computer...

Just changed the PCM with a tune and everything working good except now temp gauge goes down to like 165 intermittently even key on eng off. all...

Guys, how much timing to max power have you tuned your 5.3L H/C 2wd RCSB NBS?? I'm pulling 23 max, but I'm looking to maximize power.

I tuned a frien 5.3 with cam and heads. Gen III cable TB Idle great, no stalling on-off idle. P/N and gear idle is set and stays as commanded...

Well I put a 2800 stall and i have everything finally set the way i want it. The only thing is I keep getting po3000 since the converter. Does...

i bought a 2010 reg cab 4x4 a few months ago. i like the truck but the tuning on the 6 speed is absolutely brutal. why is it tuned for 90 year old...

Just ordered a Nelson tune for the truck. I can't wait to get it in, never had anything tuned before so I'm excited to see how big a difference it...

i'm about to order from nelson, i just wanted ya'lls opinion. the 4l60 is stock (i think), i'm second owner of the truck and i knew the ex owner used...

Is there any handheld programmers the delete TM?? Thinks for ur help

How much of a difference will I feel on my bone stock LQ4/4L80E by removing all the torque management. I'm about to do it tomorrow, just wondering...

Going to order a tune from Nelsons soon. Its for an 01 2500hd 6.0L 4x4 with a rebuilt 4L80e. Just some quick questions? Anyone had a tune in this...

In the for sale section. Link

I bought a 2001 1500HD with 6.0 and 4L80E. I'd like to get rid of torque management and make it shift a little firmer. I tuned my own Z06 a few...

I have a '06 2500HD w/6.0/tow package.....tired of the 12 mpg, not to mention gas price...a couple friends of mine have the same setup, one is an '05...

Okay, my pickup is an '06 1500 WT, built with rear drums and 13" front rotors. The "new" rear axle is disc. I asked around about master cylinders...

I'm having an issue with my truck, when its cold *35 or lower it starts and drives OK idle is a little rough at first no stalling though. When the...

Normally, I only have my LTFT's enabled while tuning VE. Have them disabled while doing MAF tuning and after tuning is done. Never an issue with WOT...

The performance option tab under Transmission, Shift properties, general, performance options down menu class 2, 1-2 switch, off: does that control...

Can I boost 7 psi and add fuel without a 2bar map sensor? So far is working well, and Ltrims are -8 at wot But not sure if I can improve the...

My tune hasn't been getting the gas mileage my handheld used to. I emailed nelson and he told me to check the timing/fuel trim. I have no idea what...