I am oblibious to HPTuners. But I have someone local tuning my car but has never seen anything like this. I tried to give any information I could based off what I have read here, GA forums and quad4 forums.

Pretty standard question. Can the 2 bar be tuned to my year? Or am I better off with the original 1 bar? What in the end would be the better outcome? Would be nice to know cuz I dont want to pay for a 2 bar if I dont need to. But if its appropriate, well then by all means, I will. And wich sensor applies the fake 2 bar tune? Or an it be either one?

Ive been through a lot of threads. And again, I dont know HPTuners that well. And Im not asking HOW to do this. Just asking a vote pretty much. 1 bar or 2 bar? Or if 2 bar can even be done with my year?

I would really appriciate it guys. Thank you.

Keep the stock 1 bar sensor. I have tuned a 99 cavalier with the same set-up. It can be done with either, but for the boost levels you are going to see using the 1 bar will be better.



FU Tuning

I don't know how Grand Ams control fuel. If they are Speed Density, then go with the 2-bar. If they are Alpha-N, then I would stick with the 1-bar.




I have no signiture