Forum: Tuning

Hey guys/gals. Been quite some time since I've been on around here. This is probably old fodder for alot of you but looking for some tuning advice on...

Need professional help figuring out what exact cam kit and exhaust to put on my truck, everything is stock. I'm really looking forward to this...

I am rather a novice to working on motors I want to do a cam swap on my 2009 Silverado 4.8 I am looking to get a more aggressive sounding truck not...

2003 silverado w/4.8 and a manual 5 spd. 2wd. I'm installing a rebuilt 5.3 w/ a size above stock Howards cam. Will I need to tune my computer or will...

Is there any reason to mess with the tune on our 2004 Yukon if the 5.3 engine has no modifications and never will? It runs fine, but could it run...

Ok so here is a random question. Not sure if anybody would even know about this but I figured if anyone, Allen would have some kind of input on the...

Anyone know how to use efi live to merge two different transmission sections? I have an 03 lq9/4l80e PCM I was going to plug into my truck to copy...

Need Houston area tuner

, LM7 3.905 bore Aries forged pistons Eagle steel 383 crank and rods balanced , GM Hot cam and Z06 springs ! Using a Jet DST just thought I'd ask...

Hey guys I swaped a 2004 ls5.3 and a 2005 4l65e into a 1998 GMC Sierra 4x4 with the Lextech pin out. My speedo, alternator, and oil pressure gauges...

I'm swapping a 5.3l/4l80e into a '72 C10. Currently I have the 2005 VIN "Z" L59 5.3l/Harness/Computer etc, which is built to control the 4l60e. I...

Would it be possible to use a 0411 as a standalone tcm? Aftermarket TCM's can be spendy but an 0411 can be had for about $50. The 6.5 diesel died on...

Hi everyone! I am currently doing a 6.0L swap and I am wondering if I should run a wideband 02 sensor on a naturally aspirated engine. I am new to...

Anyone have any clue how bad these are I'm tuning it pretty soon and if they are bad I will send back just need a opinion please help

I cant find this anywhere. I am using HPTUNERS and have the setup in the title. I cant figure this out. I know it can be done with HPTuners. ...

Allen, I ended up swapping in a 2004 lq4 into my truck because the 4.8 had a bad castech head on it, so i had yall do a retune to run the 6.0. Well,...

Hey everyone, just seeing if anyone local is able to or wants to do some tuning. I have a prerunner that is getting a 4.8 5 speed transferred from...

I know that a 411 can control electric fans based on engine temperature. Can it also control an output based on IAT's? I'm considering water meth...

Its awesome!!!! Finally, this big truck/small engine combo doesnt feel like a turd anymore! I got the 89/91 tune and had 100% torque management...

Doed anyone know what i need to do when changing from an awd trans out of a denali yukon to a 2wd from a c1500. I am putting this in a 98 tahoe and...