Quote Originally Posted by wylee View Post
This is interesting. After seeing this thread I had to look at my owner's manual; I couldn't believe the recommended spark plug replacement interval was 25k. The manual goes a bit further in saying not to exceed 37.5k. Jesus! What the hell did they use for plugs?
they are standard coppers, i had to replace mine at 19000 miles because it started to miss terribly. I think i am due for another set here soon..