I haven''t had any problems. This motor is a baby Vette motor. I live in an extremely hilly area, get 16mpg in the city and close to 30mpg on the highway. Beleive me, I miss my 99' and suprising those WRX and Evo guys once I got traction. The whine of my S.C. was one of the best parts about that car. But the internals are not made for all that horsepower as I blew my first motor. They are reliable as hell though when left alone.

The difference between the 04-05 gtps and the 06 gt is just the badging on the car. The 06gt is supercharged just like the 04-05 gtp's and they have the same horsepower. They drop the GTP badge for 06 and up until the new G8 comes out which will replace the grand prix in either 2008 or 2009.

Thanks for the Reply. Thats what I thought was the diffrence. Still tring to sell my WRX : / cant wait to get a GP again.

Should I be worried that since the G8 is replacing the GP that parts are going to get more expensive?

So I know I don't have a Grand Prix yet, but I wanted to know a few things about mods. What kinda mods will I have to do to be able to run a 3.0 or smaller pulley? I know even stock I wanna get an intercooler, but what else can I do to be running Knock free? Also how will the tranny hold up under that much HP? I'm guessing not very well...