Fto Gpx Twin Turbo??

I own a 1998 Fto Gpx and really want to get that whole lot more out of a great car.

Any1 know about possible engine upgrades or a change from the 6A12MIRVEC to maybe a 6A12TT or a 6A13TT??

Cheers.....:banghead:

would maybe a 6g72tt fit? and what country are you from? i wish the usa had got the fto.:shakehead