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Mark Aldridge
Grand Master
Username: mark_aldridge

Post Number: 358
Registered: 10-2008
Posted on Wednesday, 12 October, 2016 - 06:33:   Edit PostDelete PostView Post/Check IP

Can anyone advise the replacement interval for Platinum plugs as fitted to late Spirits ?
Mark
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Paul Yorke
Grand Master
Username: paul_yorke

Post Number: 1663
Registered: 6-2006
Posted on Wednesday, 12 October, 2016 - 07:00:   Edit PostDelete PostView Post/Check IP

Maybe this set?

application/pdfservices
Service schedule.pdf (94.0 k)
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Mark Aldridge
Grand Master
Username: mark_aldridge

Post Number: 359
Registered: 10-2008
Posted on Wednesday, 12 October, 2016 - 08:28:   Edit PostDelete PostView Post/Check IP

Thanks Paul, it states 30k miles and presumably Iridium would last longer still.
Mark
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Paul Yorke
Grand Master
Username: paul_yorke

Post Number: 1664
Registered: 6-2006
Posted on Wednesday, 12 October, 2016 - 08:42:   Edit PostDelete PostView Post/Check IP

Hi Mark, 30K if you are doing 15000 miles a year. Change every 2 years if less. (same goes for the rest of the schedule.) If you are doing less than 6000 a year, you can get away with annual servicing imho.

If you are doing very low mileages, personally I would take the plugs out and inspect them at two years and change the set if any are looking bad . . . (unless you have one plug (say) that always clogs up, then just replace the offending ones.

It is always whichever comes soonest, miles or time.
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David Gore
Moderator
Username: david_gore

Post Number: 2253
Registered: 4-2003
Posted on Wednesday, 12 October, 2016 - 09:51:   Edit PostDelete PostView Post/Check IP

"It is always whichever comes soonest, miles or time."

Paul - best maintenance advice that should be etched into the windscreen in front of the driver.

This advice has stood the test of time and MUST never be ignored because the owner does this at their peril......
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Mark Aldridge
Grand Master
Username: mark_aldridge

Post Number: 360
Registered: 10-2008
Posted on Wednesday, 12 October, 2016 - 18:44:   Edit PostDelete PostView Post/Check IP

Hi Paul, the car is doing about 12k miles per year and I was unsure as to whether the change interval was still 12k miles with platinum plugs.I will still remove, check and lubricate the threads annually.
Mark

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