lol yea I can't say to much lol, there are fellow racers on here!...haha....Any ways,...I'am hoping these NGKs will help me out a bit,..Because I was talking with a mechanic today and he said he has had nothing but problems with the Bosch plugs,....I don't run a crank pulley so I do it best by ear, I can advance or retard it and I still have the popping,....