Performance Chips for GMC
I have a 2012 GMC 2500 gaser and considering getting a performance chip to add HP and increase the MPG. I'm trying to find what brands people have used and what kind of results they've got. Are ther...
Forum Discussion
APT wrote:
There is not much to be done with a naturally aspirated engine. A tuner can improve peak HP using higher octane fuel, but it will come at higher operating costs and at higher engine speed. A tuner can also help improve the transmission shifting, firm it up, change shift points. However, the improvements are not likely to save money over time nor are they likely to improve towing performance or fuel economy.
Black Bear Performance is a reputable GM tuning company. Do some research on them.
What he said... I had a custom ECM done on my 2002 2500HD 6.0 gasser and while the truck was definately more fun to drive mainly due to the way it shifted and taking out most of the torque managment it did not get better mileage considering I had to step up to 89 octane or even 91 octane while towing in the summer.
