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New Piston Rings

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Old 03-19-2011, 09:09 AM
Join Date: May 2007
Location: Louisville, KY
Posts: 160
Default New Piston Rings

This winter one of our projects in the engine room has been to replace the piston rings. The port engine had developed a rumble over the last couple of seasons indicative of worn rings. Anyway, we recently got the new rings and decided to change them out this week. Instead of snapping the rings on (risk of distorting the rings with this method), we decided to disassemble the pistons. We started with the port piston, which you'll see in the pics has a brass collar. You'll notice the pic of the stbd. piston shows a different and much older construction (possibly original). I was told she had a piston "collapse" during one of her spring start-ups in the 1960s, so I would guess that to be the port piston. The collar on the stbd. piston looks to be steel and was much more challenging to remove. Anyway, the new rings are now on! This whole process of disassembling the piston was a new experience for me, so I snapped a few pics and will send them this way. Enjoy!
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