listen up huh? if you're going to spit facts, then find out how much the the rsx 2.0 motor weighs compared to the si 2.0 motor. i'm just not seeing a 170lb difference. either way, track numbers are useless when racing on the street. just because some guy at a magazine or your best friends friend ran such and such at the track, doesn't mean that he can beat cars with slower track times ON THE STREET, but you probably already knew this. also, this awesome torque the mustang produces compared to the si/rsx starts to mean less when approaching the upper rpms. you probably already know that at 5252rpm, torque and hp cross, so torque is no longer a result of the motors work, but hp. now, we established that the mustang with a chip and the si/rsx with i/h/e are running about a 60hp difference with the si being lighter. also, the si has a slightly higher redline so it has more use of the upper rpm band, where hp is greater than torque. again, i personally don't really care, but you're know-it-all attitude is a lame front. stop pretending you have it all figured out, and accept the fact that on the street, you're treasured motor trend track times mean jack.