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356911930 356911930 is offline
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Join Date: Apr 2011
Location: Santa Cruz, CA
Posts: 955
I "change" my plugs with the engine in but lowering the engine might be worth a try for comparison. I don't really change them I just clean, re-gap, tighten the top connector and re-install. Never seem to have a problem with them running many more miles.

Old 11-08-2017, 10:47 AM
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