The piston movement when cold is almost normal. If the cylinder walls in all 4 are not rusted or radically pitted, I would run it. The top 1/2 inch of the cylinder is not worn (rings are lower, and the top of the piston is smaller than the skirt). feel this unworn area with your finger nail ans try to catch your fingernail under it where the top ring stops on its travels. If there is a clear and obvious step there, catching your nail easily, it needs to be bored out and oversized pistons installed. these cant be honed out. A ridge reamer will be needed to get the pistons out the top as they catch on the ridge. Watch videos of ridge reaming. If the ridge is just one or 2 thousandths of an inch, I would run it as is. The valves are toast. Though not worn at the face, they are too corroded to use. Keep working the last valve it will come out. If the tip of that valve id=s hammered bigger it might need to be ground smaller with a dremel tool and tungsten bit to get it out. Jim
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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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