ull be beaten by the 180sx even if he cant drive, unles he REALLY REALLy cant drive lol. the s15's sr20 has kinda like a vvt while the 180 dosent im not too sure, but the 180 has 2 types of sr20's the red top and the blacktop. one of them has a kinda like vvti system in it which is abitta help. s15 is quicker but its also heavier then the 180. they aint much diffrence but with a full zorst and a mushii u shouldnt stand a chance. a rx8 is aprox os 1.3 tonne, which is only about 100 kg heavier then a rolla but then its pumping 177kw at the fly which is plenty or does he have the one with 141kw? if so then u might have a chance, esp if u get him on takeoff and land lift every gear. sry but i dont think u have a chance at all. and considering they both have the advantage of rear wheel takeoff lols :P wel we wont know till we try right! SO LETS GO