It"s not the rings. Gm decided the drain back holes behind the rings needed to be smaller in their pistons. End result , hole plug up , cylinder pumps oil . I see a lot of this . Jasper engine rep showed me some bulletins and redesigned pistons to correct the issue . I have used Motor Vac injector cleaner along with top engine cleaning to help. But once they plug ,pretty hard to get them to clean out . Real common on 5.3 and 4.2 .
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Today's Featured Article - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for £200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
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