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Platinum or Iridium?


jim

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http://cgi.ebay.co.uk/DENSO-IRIDIUM-Spark-Plugs-Skyline-350Z-Z33-all-x-6_W0QQitemZ360039574038QQcmdZViewItem?hash=item360039574038&_trkparms=72%3A1301%7C39%3A1%7C66%3A2%7C65%3A12%7C240%3A1318&_trksid=p3286.c0.m14

 

comparison with standard plugs but i have read with a decent plug there are no performance gains with iridium but i recently fitted them to my bike and it did feel better

 

 

Iridium are used as standard due to the required service life set down by Nissan which a platinum plug could not acheive.

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http://cgi.ebay.co.uk/DENSO-IRIDIUM-Spark-Plugs-Skyline-350Z-Z33-all-x-6_W0QQitemZ360039574038QQcmdZViewItem?hash=item360039574038&_trkparms=72%3A1301%7C39%3A1%7C66%3A2%7C65%3A12%7C240%3A1318&_trksid=p3286.c0.m14

 

comparison with standard plugs but i have read with a decent plug there are no performance gains with iridium but i recently fitted them to my bike and it did feel better

 

 

Iridium are used as standard due to the required service life set down by Nissan which a platinum plug could not acheive.

 

:thumbs: as i said they last longer ;)

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