Thread: When to replace spark plugs?
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Old Oct 14, 2015 | 07:18 AM
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crymar
Joined: Jun 2011
Posts: 103
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From: Arlington, VA
Default Re: When to replace spark plugs?
Originally Posted by ala_xfire
I also got to see the innards at 60,000 miles and was quite pleased at the lack of brown carbon buildup:
It's heartening to see how proper oil maintenance pays off. I only put around 1,500 miles a year on mine, so I change the Mobil 0W-40 every two years. Maintenance on my Crossfire is on a time basis, not mileage. Put a new electro-hydraulic plate in the trans a few years ago with around 24,000 miles. The trans oil was black, apparently due to age (and possibly water contamination), not mileage. I've always practiced aviation-type maintenance on my cars, that is, maintenance based on both time and usage.
 
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