Sounds like Fire Crater Pistons. If they turn out OK, they are good. Before getting too deep into making it turn over, the following check should be made: Using 200 grit carbide paper, clean the top 2 inches of the 2 cylinders with the pistons down farthest. After cleaning them up to metal, feel the area about 1/2" down the cylinder wall. if you can feel a distinct ridge, catching it with your finger nail on the way up, it is probably time to actually measure something. You can have a machinist, or good auto technition (or a lending rental shop) use a bore gauge and micrometer to measure the wear. .008 would be my very top limit between the measurement at the very top (no wear) and the top ring stopping point (just below the ridge). That is a diameter measurement, not a radius. If at or more, the sleeves need to come out and a "kit" used to replace them. The Kit will include new pistons, rings, and dry sleeves for the block. It is a rebuild to new type solution. Jim
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Today's Featured Article - Fabrication (Who Me? Make it myself?) - by Chris Pratt. First of all, what are the reasons for not fabricatin your own parts? Most judgements on what should be purchased rather than fabricated stem from: Originality - If the tractor restoration is to be 100% original, it is likely that you should spend the time and money to locate the component in the used or New-old-stock market. Since this can be extremely difficult, you may want to fabricate the item or purchase a modern replacement temporarily, but eventually, you s
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