Author Topic: Hard To Find Or Custom Piston Rings  (Read 1910 times)

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Offline 660magnum

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Re: Hard To Find Or Custom Piston Rings
« on: December 21, 2011, 09:18:54 pm »
How does A2 work for rings? Were they hardened? Compare with the original Meehanite gray iron for rings? Other variations?

From one extreme to another?

I had to repair a European engine that the guy had caught the ring gap in the exhaust port at assembly. I was able to pull the previously run ring out of the piston grove through the exhaust port and it didn't break??? I figure he had originally got it too hot? The hard cylinder wasn't scored.

The Chinese ideology of a ring is that it be very hard. Most of the Chinese engines I see, you can run them for a year and the ring is still not fully seated all the way across the exhaust port.  Of course they are running in a "as cast" cylinder.
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