Quote:
Originally Posted by oldford2
Professor,
Pull one plug at a time and see if the knock stops or diminishes at any cylinder. If it is a rod this test would take all the pressure off the offending cylinder. Just a thought
John
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Good idea. I'll go out and do that right now and report.
I tried to identify the piston with the problem with a stethoscope but can't hear anything through the heads. It is definitely on the drivers side though.