Thread: timing belt & spark plugs ~ which ones?
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Old 06-11-2014, 07:14 AM   #12 (permalink)
gone-ot
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Quote:
Originally Posted by Xist View Post
Don't platinum and iridium plugs still contain copper?
Some do, but it's WITHIN the upper area of the spark plug, not down at the center electrode inside the combustion chamber.
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