Thread: Spark plugs
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Old 02-03-2009, 06:21 PM   #6 (permalink)
Master EcoModder
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WonderWagon - '94 Ford Escort LX
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If the bottom (mating) surface of the ring is gummed up with sludge, it must not have had a good seal. If the ring is crushed, there must have been something trapped under the ring when it was seated. No?
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