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Old Jul 22, 2008 | 12:24 PM
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Loose spark plugs..

Hello i recently did a tune up on my 400...i noticed 3 of the spark plugs where loose so i hit them with the wrench...the next day i went to look at my plugs and they where loose again...it is now a problem where even when i torque them down to where thier supposed to be they come loose the next day .. i was told that some spark plugs need washers to fit correctly...when i boughtt the spark plugs they didnt come with any washers so i figured i didnt need them..but now that they keep coming loose im not sure..can anyone give me a hint to what i should do? Thanks
 
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Old Jul 22, 2008 | 01:07 PM
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335 series use a tapered seat plug with no washer. What plugs did you put in?
 
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Old Jul 22, 2008 | 05:00 PM
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i cant rember exactly..auto lite i think was the name?
the ford ones.
 
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