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      09-19-2014, 12:07 PM   #1
drexplode
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How do my plugs look...not on my head

How do they look after 15k miles? Probably obsessive but it's a new car to me and want to discover as much history as possible.



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      09-19-2014, 12:11 PM   #2
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They don't appear too fouled to me, they look like mine after 10k, when I change them out.
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      09-19-2014, 12:33 PM   #3
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Y'all sure replace the plugs mighty often...10K miles, 15k miles jeez. Those pictured appear normal to me.
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      09-19-2014, 12:35 PM   #4
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They don't appear too fouled to me, they look like mine after 10k, when I change them out.
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      09-19-2014, 12:43 PM   #5
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Originally Posted by Quicksilv3r View Post
Y'all sure replace the plugs mighty often...10K miles, 15k miles jeez. Those pictured appear normal to me.
10k is nearly 3 years. I don't like leaving the plugs in the head that long, so I consider it maintenance I suppose, and it's cheap.
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      09-19-2014, 03:16 PM   #6
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I don't see any issues with the electrodes. These plugs work pretty hard in the S65 (lots of revs, high temp, etc.). In my younger days, I probably would have cleaned these off and just put them back in for another year to save the $.

However, there is one item on which I would like to comment. Plugs 4 and 5 (going left to right) seem to have a lot more discoloration on the threads than the other plugs. Were they adjacent cylinders or opposing cylinders? Was there oil residue on them when you removed them? I am guessing 'no' by the appearance of the electrode, but it might be interesting to make a note of which cylinders these were in for the next time you change them out.
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      09-19-2014, 03:42 PM   #7
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      09-19-2014, 04:10 PM   #8
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Originally Posted by MTM View Post
I don't see any issues with the electrodes. These plugs work pretty hard in the S65 (lots of revs, high temp, etc.). In my younger days, I probably would have cleaned these off and just put them back in for another year to save the $.

However, there is one item on which I would like to comment. Plugs 4 and 5 (going left to right) seem to have a lot more discoloration on the threads than the other plugs. Were they adjacent cylinders or opposing cylinders? Was there oil residue on them when you removed them? I am guessing 'no' by the appearance of the electrode, but it might be interesting to make a note of which cylinders these were in for the next time you change them out.
I used to on non-crush washer plugs, or I would keep a stash of the crush washers.
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