dude u can easily make the 200 hp with the motor u got man. Im on a z6 right now and im at 283 to the wheels. And i still need to get a cam and bigger injectors just little stuff. My motor well bottom end is built and head ported and polished. Well all in all u can do it man.
PROOF? DYNO SLIPS? SOUNDS LIKE HALFWITS NUMBERS YOU COPIED SOMEWHERE...