NGK copper... posted by 92naz32 on May 01, 2006 at 12:37 PM
Message
You have to replace them more often...but brand new copper plugs every 2 or 3 oil changes won't break the bank. If I had a TT I would probably spend the extra for platinums, but coppers in an NA do the job just as well.
-Brad 1992 Z32 2+2 NA 1986 Z31 Coupe NA (For Sale) ________________________