View Full Version : 5.3 gmc, good tune???
ggwrigley
April 17th, 2010, 04:38 PM
does anyone have a good tune setup for a 2003 5.3? i want to program mine and want some additional information
MSURacing
April 22nd, 2010, 04:27 AM
yep, sure do. I am sure lots of people do.
This is your first tuning I am assuming. What are you looking to do with the truck?
ggwrigley
April 22nd, 2010, 07:29 AM
yea im just starting to use efi live, i wont use my truck for high modifications but i want to have more power when i want, and occasionly go offroading, mainly more power for my in city driving.
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