As the title states: What is the BEST Tuner for my 99 GMC Sierra 3500 with Vortec 350? I keep seeing Hypertech and the Max Energy Programmer around. I also see the Bully Dog programmer.
My goal (as of right now) is to increase performance and remove or increase the top speed limiter...
Hey Guys/Gals,
I am a new member - I just acquired a 99 GMC Sierra 3500 - Absolutely love this truck. I don't Pull anything with it, but it has been used to pull now it's just a very nicely customized truck.
I actually bought this truck from a friend of mine who has customized it into what...