JKowners.com : Jeep Wrangler JK Forum - View Single Post - My 2cents on spark plugs - Swapped out @ 42,000
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post #8 of Old 12-23-2011, 09:51 PM
ronjenx
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Join Date: Aug 2010
Location: Maine
Posts: 1,877

I've never had a problem with Champion plugs in cars or airplanes.
Can't say I had problems with other brands, either.
I about to replace mine, mostly because they may be welded in if I wait 'til 102K.
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