Joined: 03 Jan 2017 Posts: 206 Location: Hertfordshire
Posted: Sun Feb 11, 2018 6:57 pm Post subject: Spark plug change interval
Hi.
I have a 996tt and its due a service. The S/H is:
Jan 2014 - 68k - major service with spark plug change.
Jan 2015 - 71k - minor service
Jan 2016 - 72.5k - minor (completed by seller RPM)
Jan 2017 - 73k - minor
I understand that spark plugs should be changed every 4 year/28k miles. Noting that the car has only covered 5k since last spark change 4 years ago. Should I have these changed and how much is the cost at Indy?
I'm hoping to maintain it's immecable service record
Thanks _________________ Porsche 996 Turbo X50 with 9e exhaust,
BMW M6 V10,
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T8 General
Joined: 29 Jun 2010 Posts: 14271 Location: Kent
Posted: Sun Feb 11, 2018 7:29 pm Post subject:
I thought the spark plug change was on miles not time. iirc it's 30k miles so yours don't need changing. _________________ 2007 Guards Red 997 Turbo Tiptronic
ex 2004 Polar Silver 996T Tiptronic
ex 2002 Seal Grey 996.2 C4 Tiptronic
ex 1978 Silver 924 Manual
deMort Shanghai
Joined: 21 Mar 2015 Posts: 4920 Location: Brighton
Posted: Sun Feb 11, 2018 7:50 pm Post subject:
Part of the service sheet for referance . _________________
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At an Indy these days !
plugs-1.jpg
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Poker2009 Imola
Joined: 09 Sep 2009 Posts: 825 Location: London
Posted: Sun Feb 11, 2018 7:54 pm Post subject:
As you mentioned you want to maintain the service record, spark plugs need to be done every 4 years.
However, since you have only covered 5k miles they will come out clean, and will be an unfortunate waste of money.
I wouldn't change mine until six years (20-25k miles for me) - and even that I know deep down will be premature! But I also am not bothered about service history. _________________ Porsche 997.1 C2S Basalt Black
asterix_the_gaul Suzuka
Joined: 20 Dec 2008 Posts: 1033 Location: Cheshire
Awesome, my next plug change not due for about another 10 years then. _________________ 1992 944 S2 Cabriolet, Cobalt Blue/Classic grey -gone!
1995 993 C2 Cabriolet, Midnight Blue/Marble grey -gone!
1999 996 C2 Coupe, Ocean Blue/Graphite grey
2002 E46 M3 Cabriolet, Laguna seca blue/LSB
Poker2009 Imola
Joined: 09 Sep 2009 Posts: 825 Location: London
Posted: Sun Feb 11, 2018 8:11 pm Post subject:
asterix_the_gaul wrote:
Awesome, my next plug change not due for about another 10 years then.
Spark plugs are not what they were 20 years ago (when they needed to be done every year), and have a MUCH longer shelf life now. _________________ Porsche 997.1 C2S Basalt Black
P911X50 Monza
Joined: 03 Jan 2017 Posts: 206 Location: Hertfordshire
Posted: Mon Feb 12, 2018 8:03 pm Post subject:
Poker2009, Asterix, Demort and T8. Thank you all for your help. _________________ Porsche 996 Turbo X50 with 9e exhaust,
BMW M6 V10,
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