I have a set of used step head pistons and the block I believe they came from. I am wondering if they are worn beyond use, or if I can make a go with them. I can measure the pistons and their corresponding cylinders, but I won't know if the clearances are excessive.
I have Googled piston clearances, and for street vehicles it looks to be around 1- 3 thousands, while marine and air-cooled applications are larger. Agricultural applications may be closer to marine, if not larger.
My question is what would be considered excessive based on the intended use of the tractor, which would be for fun, not heavy ag use.
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Today's Featured Article - Uncle Cecil's Super A Lives Again - by Mike Purcell. A week or so out of most of my childhood summers was often spent with my Uncle Cecil and Aunt Sissie in the small East Texas town of Maydelle on their 80 acre farm. Some of my fondest memories of these visits are those of learning to drive a tractor at the helm of Uncle Cecil’s 1948 Farmall Super A. Uncle Cecil was the second owner of this wonderful little tractor, but it was almost as though he had adopted an infant. The original owner was a man from Minnesota who bought her from a local dea
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