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Old 05-21-2005, 07:55 AM   #4 (permalink)
Halogrinder
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Quote:
Originally Posted by Scrambler Jimmy
The ash deposits are gonna keep anyone from doing a true condition reading on those plugs. There are many write-ups on the web - pop 'spark plug reading' into a search engine and figure it out yourself.

Quote:
Originally Posted by Red90YJ
Open up any hayes manual turn to the back pages and find out for yourself.


this means, that both have know idea WTF they are talking about and want to increase their post count.....

why do you need them read? are you having a driving problem or running problem? or just curious?


This situation is caused by oil and/or fuel additives. When the deposits are found on only one side of the spark plug core nose, it is usually considered to be a problem with the cylinder head (valve stem seals or valve guides). When they are found on both sides of the spark plug, it is often considered to be a problem sealing at the piston rings. This condition can mask the spark and, in some cases, contribute to misfire. Check for worn valve guides and valve stem seals and/or piston rings. The spark plug is the correct heat range and was a victim of the engine's condition, not the cause of it.
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