Originally Posted by Maxwell
I hear that, you might want to look at the SI reprogram or, a NOS kit or S/C. I wouldn't recommend porting your heads, it is a science. You just can't pump an abrasive media through it and expect a good power band.
nos is way out of the question. i'm not into tearing up a new motor. i'm guessing there are decent results from the si reprogram? by s/c do you mean supercharger? i'm guessing your talking about a custom build, because i haven't seen any kits available except that $14k one.