08-21-2013, 11:50 AM
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#1
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Registered User
Join Date: Feb 2007
Location: malta
Posts: 210
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should i change spark plugs?
I have a base 986 which i hardly ever use. Im not sure i cover 1000 miles a year in it. Regarding servicing i make it a point to still change the oil and filter every year. This morning i realised that its been close to 4 years since i last changed the spark plugs. That means that maybe theyve got just over 3000 miles on them. Should i still change them? I use denso iridium.
Thanks in advance
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08-21-2013, 12:45 PM
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#2
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Registered User
Join Date: Jun 2012
Location: Little Switzerland, north carolina
Posts: 551
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I just changed mine at almost 50K and they looked perfect. Can't tell any difference in performance or fuel milage. I'd say you were good for a while.
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08-21-2013, 01:02 PM
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#3
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,611
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Realistically, you should replace the plugs at least every 4-5 years, regardless of mileage. This is to prevent the steel plug from taking a seat to the aluminum head. Use a small dab of anti seize, torque to spec, drive it like you stole it..............
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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08-21-2013, 05:54 PM
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#4
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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With so few miles per year, I'd think about doing a major service on 5 yr intervals (coolant, coolant cap, brake fluid, plugs, fuel filter, etc). Otherwise it might take 15 years before you do any maintenance.
__________________
1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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08-22-2013, 10:08 AM
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#5
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Registered User
Join Date: Feb 2007
Location: malta
Posts: 210
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thanks for the info guys. regarding coolant, I change it every 3 years, and oil and filter every year. its the plugs i find not necessary to change often.
but i think its time I took them out to check them at least!
What do you guys think about the Denso iridium plugs? Any recommendations?
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08-22-2013, 12:19 PM
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#6
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,611
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Quote:
Originally Posted by boxster
thanks for the info guys. regarding coolant, I change it every 3 years, and oil and filter every year. its the plugs i find not necessary to change often.
but i think its time I took them out to check them at least!
What do you guys think about the Denso iridium plugs? Any recommendations?
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They are an excellent plug, just be sure to get the correct heat range.
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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08-22-2013, 12:23 PM
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#7
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Registered User
Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
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Quote:
Originally Posted by JFP in PA
They are an excellent plug, just be sure to get the correct heat range.
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JFP, any speculation why Bosch & NGK seem to be going away from 4 electrode plugs?
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08-22-2013, 02:14 PM
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#8
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,611
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Quote:
Originally Posted by BYprodriver
JFP, any speculation why Bosch & NGK seem to be going away from 4 electrode plugs?
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Simple: The Iridium's out perform and out last the multi electrode plugs
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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