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Old 04-10-2008, 10:45 PM   #6 (permalink)
Sky Hi
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Join Date: Mar 2006
Location: Central Maine
Posts: 293
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Looks like a case of severe detonation to me.
I've always had good experience running Champions in a wide range of engines, 4 stroke and 2 stroke.
If it were me, I'd go another range cooler on the plugs (any brand). If you go too cold, you'll just foul a plug with no damage done. Remember cooler means a smaller number with some brands, and a higher number on others.
Good luck in not repeating the problem.
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SKY HI

VIN#401, 2.4L
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