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Originally Posted by MNBoxster
Hi,
My advice is to return them. There have been several reports of the platinum tips breaking off and causing internal engine damage. I believe there is even a TSB out on it. I'll look for it and post the # if I find it. Platinum plugs do no more than any other plug except they cost more and have the potential to do harm. Hope this helps...
Happy Motoring!... Jim'99
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Platinum is used on spark plug electrodes to extend the service life of the plug. Platinum reduces electrode vaporization over conventional materials therefore increasing the number of firings before the ignition system can no longer support a sufficient spark. There is certainly a difference.
Having said that, there are also differences in the quality of any manufacturer's plug. By using OEM plugs, you are ensuring that the plug you use has been tested to perform to Porsche's specificaions, actually operates within the correct heat range, and will hopefully be manufactured a high quality standard.
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