I agree that the Bosch plugs are one of the highest quality, but even under the best circumstances standard ignition cars do not burn fuel efficiently enough to allow these plugs to last their intended life span. Add to that the expected wear and tear that is most likely present in the engine, and you might as well use ordinary spark plugs and change them at the recommended intervals, or sooner if required. Paul In a message dated 2/28/2004 3:56:12 PM Eastern Standard Time, delamothe@xxxxxxxxxx writes: > > > > I recommend the following bosch platinum part number for you: > > 4236 > > It will probably be the last time you ever have to worry about plugs for a >long long time... > > > Chris Middlebrook > 62 Custom Southampton > > _______________________________________________ > Join Excite! - http://www.excite.com > The most personalized portal on the Web! > >