Originally Posted by
aussies1129
hey i just found out that the Jovanovics are using those plugs and so does a local nova guy here and someone said they are good in humiodity so that will suit me
cheers
argh k, well if they dont damage the engine, but im gonna try the 7's and ill tell u how they go, what i have been told is that using 7's will allow the engine to go faster.