Contour Enthusiasts Group Archives Forums Modifications Duratec Maintenance spark plugs

Originally posted by DemonSVT:

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There is nothing wrong with platinum plugs in forced induction engines.

Many import turbo's come with platinum as the OEM plugs as well.


It's only nitrous that should not run platinum plugs.



Now NO car should even run Bosch platinum. ESPECIALLY a FI'd car. Bosch has basically given a black eye to the platinum plug crowd with their POS products. (melted tips, dropped electrodes, shattered porcelin )


BTW - the stock plug in the new S/C modular engines is the 22FS

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My car was starting to jerk and hesitate. I pulled the plugs and found that they were Bosch platinums. Thanks Horse
I put motorcraft platinum plugs in with Ford 9mm racing wires and my car now runs smooth as a baby's a$$.