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I am putting new piston rings into a motor and found damage to the top compression ring on cylinder #6.  This is the cylinder with the lowest compression in the engine.  There is a lip or burr on the top outer edge that you can feel and even see in the photo below.  The top ring on #8 (much better compression) does not have the issue.  Both cylinder bores have little wear.  Has anyone seen this type failure?

9737EBE2-4527-4204-981A-D13CDB1060ED_1_201_a

08F8596B-D406-4A1C-BE13-A5D5E45BA485

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  • 9737EBE2-4527-4204-981A-D13CDB1060ED_1_201_a
  • 08F8596B-D406-4A1C-BE13-A5D5E45BA485
Last edited by George P
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