ok so i have a integra gsr (vtec model) i have cold air intake, dc sports headers, and full exhaust system, lowerd, and short shifter..ok so i need help beating a 2009 silverado 5.3 he had a 2008 4.8 and i would smoke him but now he got a new 2009 5.3 with 315 horsepower and now where pretty much even sumtimes he beats me wen i mess up(miss a gear, shift to early etc) and for sum reason i can beat him by half a car when we start in second gear..but usually we go tie all the way till the race ends..so i got 500 bucks please some one tell me what i can do to make me just go a little faster enough to winintegra gs-r's run only on premium so i dont kno why your telleing me that i already run on premium duh its a gs-r