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 - Tuning Up Your Tractor: The Battery - by Curtis Von Fange. Buried somewhere beneath the sheetmetal, under the gas tank, or stuffed in front of the radiator is the battery. This elusive and neglected component of the tractor is the hardest to get to when it is dead and in need of a jump. But usually, the storage battery is a storehouse of electrical energy waiting to be released a the flick of a switch. A few maintenance tips and periodic cleaning will keep it charged for the duration of its life span. The battery is made up of a number of lead bas
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