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 - Memories of a Farmall C - by Monty Bradley. When I was a child, my grandparents lived on a farm owned by a Mr. Walters. The crops raised were cotton and soybeans, with about forty head of mixed breed cattle. Mr. Walters owned two tractors then. A Farmall 300 on gasoline and a Farmall C, that had once belonged to his father-in-law, and had been converted from gasoline to LP Gas. Many times, as a small boy, I would cross the fence behind the house my grandparents lived in and walk down the turn row to where granddaddy would be cultivati
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