especially true on the old y blocks.. pistons had LONG heavy skirts that added excessive mass and caused the piston to try to flip at the end of strokes.. so wrist pin ring timing was a must on those engines. Probably no so much true on the newer light mass, short skirt pistons used on gas engines today. The old yblocks ALWAYS had a "bell worn in the top and bottom of the cyl that required excessive boring to clean up.. and Locations of the bell was at the critical location of max compression or vacuum. These engines needed major work at 60,000 miles back in the day.
The bell meant that you had to measure ring gap in the bottom, middle and top of the cyl.. and often it would be beyond spec for rings to handle. Only soft cast iron rings would work if at that.
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Today's Featured Article - The Rescue of a Fordson F - by Anthony West. Introduction I live in the UK and have for many years restored Fordson tractors (in the main model N's). I have also restored and shown model F's, E 27N's, Field Marshall Series 2, David Brown Cropmasters and the old rey Fergeson T 20. At one time I had seven restored examples which were shown and used in ploughing matches. As most restorers, I have a number of war stories I can relate on a range of topics that may help other like minded and interested people. Perhaps my first p
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