Forum: Tuning

The truck has been running strong for three years now and I thought it would be a good time to get the truck fine tuned! He work his magic and she...

Has all the features I want, anyone have any experience with this controller? http://www.holley.com/types/Dominator_EFI_-_ECU.asp

i have a local guy gonna sell me some 60# fast injectors cheap today but i was wanting some input on these are they easy to tune? or even worth me...

For the past few weeks I have been looking into a custom tune for my 08 GMC Sierra 4.8L. I currently have 33's on the truck and plan on installing...

ok all i just got the trans rebuilt and the converter gone thru. in fact the 2800 stall , i think, is now a bit looser. im guessing 3100... anyway....

When it's warm I have to crank it for at least 5 seconds before it starts. In OD when the converter goes into lockup, if i'm cruzin below 2 grand...

im asking cuz im stupid about this... should i get my next tune for the 408 updated to be SD? Please school me.

Ok I got the truck and swap all done! Now I need a tune. The computer I have is the 99-00 model computer forget the number of it. But its tuned for a...

when starting the truck afr will be right around 14 but after the truck the truck runs for 10 seconds it drops down to 11 afr. motor has been tuned...

Was wondering if anyone is running this setup and what ur doing about letting the computer know it's in gear without a PRNDL or VSS

I've installed Windows 7 on my MacbookPro so I can run HPT. I also installed the setup and drivers from the OSX so all the brightness, eject, magic...

when i hear the word "tune" i think of adjusting the timing and trying different jets in my carb. but all that is computer controlled now, right? ...

Made a post about this in nitrous section...but think I was asking the wrong question (well...midwest made it for me) A stock internal...

Got the tune in the truck today, haven't had a chance to put it through the paces, but the truck feels stronger. Thanks Allen for the great job!

i installed a new ecm i got for my truck 2009 colorado e67 ecm. when i did i got a p1631 code any one know what to do to get rid of it it will not...

Im currently swapping a lq4 in a 92 chevy with manual trans. I know there is a lot of stuff i need to remove to get rollin and I like to get hptuners...

I have a 90 jeep wrangler that I am installing an 03 5.3 4L60E, I have a Nelson Performance ECM, and it is setting code PO342, I have traced the...

OK I have a quick question about the LTFT rpm boundaries, does this table mean that the ltft's are disabled above this or below? Also on the min....

hey guys, for starters, i've got a 00 ecsb with a 5.3 and 190k miles on it. everything stock except CAI and flows it's been my daily driver for...

anyone have anything to share, i think the efi live is deffinalty the bang for the bug, anytime you change a cam or anything you dont have to send it...