Re: Spark plug diagnosis - need your input PLEASE!

Posted by ChadS on March 09, 2007 at 17:28:01 from (4.224.78.94):

In Reply to: Spark plug diagnosis - need your input PLEASE! posted by Steven@AZ on March 09, 2007 at 15:53:37:

You need to pull the heads off both of em and clean out the carbon build up. OR put em on a dyno and burn that junk out of the chambers, OR go out and work em hard for a few hours. Carbon, when it builds up, will act like oil burners, it melts when its warmed up and runs everywhere in the cyl, when it cools, it hardens back up and sticks to anything it can, plugs are usually the first to go. Might need valve seals or guides replaced if it continues after you work it for a while. JMHO,,, it has carbon built up inside. ChadS

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