burnt_toast
01-05-2006, 08:31 AM
Just found this while looking at NGK's site, its a good read:
http://www.ngksparkplugs.com/techinfo/spark_plugs/techtips.asp?nav=31000&country=
(its not directly selling anything on that link so it should be ok..)
http://www.ngksparkplugs.com/techinfo/spark_plugs/techtips.asp?nav=31000&country=
(its not directly selling anything on that link so it should be ok..)