stock or not? idk
#1
stock or not? idk
ever since i have had my truck the only thing i have done is a true dual exhaust setup with hi-flo cats and it has always been faster than other stock trucks, programmed trucks, and even some tuned trucks. so i had one of my friends hook up his hp tuners software to my truck to try and figure out if there is anything done to my truck since i bought the truck used. he thinks that there is a programmer on my truck but i have had both a bullydog and a superchips programmer on there and they hooked up with no problem and my shift points are not raised at all. is there anyway of knowing if my truck has some mods i dont kno ab?
btw i drive an 02 gmc sierra rcsb with a 5.3
btw i drive an 02 gmc sierra rcsb with a 5.3
#5
Also you can put 2 programmers on your truck i have done it i had the bullydog and the superchips flash pack on my truck. But when i took them off my truck it didnt rite till about 100miles.
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#9
Originally Posted by RandomHero
there's no point in "stacking" programmers on a gas engine
#10
Launching!
Join Date: Mar 2006
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does gm vary the tuning on their trucks. like some trucks come stock with more timing, more corrected air fuel ratio, and air intake tables? or is it the same for all trucks?