Quote:
Originally Posted by jt20
I would compare the new oil ring to the old ones and compare their structure - does the new one seem more robust? more metal? thicker cross section?
I would also contact the supplier or, even better, the manufacturer if there is any identifying information.
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Jt20 - Thanks for the info. I have attached the old ( broken ) and new oil rings. The new one is much beefier and stronger than the old one. That is why the expander cannot be put behind it. The old one has a spring coil and new one doesn't. I suspect the expander is for a different piston, my psiton hopefully should be fine without it.