Originally posted by zero grip
thanks for the info. one last question... are you using one step colder plugs? i'm gonna try to install the kit this weekend weather pending. my fuel pump is on it's way, ignition upgrade in the near future. :thumbup:
7 is 2 steps colder i think, the stock plugs are 5. I had a zex kit running a 55 shot with i/h/e on my 00 ex for about half a year and i never had a problem. It ran really rich and shot fireballs which destroyed my stock cat though, but that's what a test pipe is for :thumbup: