Originally posted by Jkan2001
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:
true....my car pulled a lot harder with a test pipe installed. if you are gonna spray they are worth the money. and i've been spraying over 2 years without a problem.