JKAN FOR THE LAST TIME , I DIDNT USE ZEX WHEN I RACED THE SRT-4 , I USED NOTHING BUT MY MOTOR. DO YOU GET IT NOW , THATS WHY I BEAT HIM BY ONLY 2 CARS IN THE 1/4 , DO YOU GET IT ??? OR ARE YOU GONNA ASK AGAIN. if i would of use a shot of zex it would of been very very very different.