yep..the 3.8ltr GN motor! while i think it's a mad motor straight outa the box, ur correct about the mods it can take... and i agree again with the fact u can have a car that does 186mph, and return 19-20mpg (more if he stays outa it, i'm sure..lol) during more normal driving... wheeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee My vote is on the 3.8 GM. I Love the 350, but in this day of rising gas prices, the 3.8 WORKS! I got 2 Grand Prix in the driveway, a '97 wich overheated to the point of KONCKIN-CLANG-CLANG- shut down... Let it cool down and started it up and drove home, TWICE!!!! (fixed cooling issues $2.99 and it runs great now!!!!) And a 04 GTP, with a supercharger, yes they come stock with a REAL supercharger, hit the gas, watch the boost go up, and BYE-BYE!!! Good stuff