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Re: Diagnose these spark plugs...
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Posted by Jerry/MT on June 06, 2004 at 16:32:47 from (206.231.186.94):
In Reply to: Diagnose these spark plugs... posted by Matt on June 05, 2004 at 16:34:00:
#1 looks to e oil fouled. Oil control rings are probably bad.# 2 has a burned insulator that could be due to advanced timing or too lean a mixture.#4 looks normal but worn. Can't figure #3 out. Looks like it's melted. Could be timing or mixture or both. Pull the plugs that you just put in after running them for a few hours then read 'em. Also check your compression.
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