Could be the clutch slipping. Hope you figure it out...sounds like a nice ride.by fastgtopower - Pontiac GTO Forum
P.S. May try a new heat sending unit.by fastgtopower - Pontiac GTO Forum
I would talk to some performance shops about maybe trying a bigger radiator. Of course, an additional electric fan may be the cheaper way to go depending on how much the car is worth to you.by fastgtopower - Pontiac GTO Forum
We are new to the 2006 GTO and would like to know the best way to get more horse power through a cold air intake and exhaust system. Don't want to spend a lot on name brand equipment if can get by with off brand just as good. Willing to spend for name brand equipment if it is best route. Just need some guidance and suggestions. Thanks, Jackieby fastgtopower - Pontiac GTO Forum