I'm not running IH low ash oil in my old tractors either, but, they are toys. On a hard working gas engine like a 656, the calcium, barium, magnesium additives(which happen to be the additives low ash oil has left out) in a regular diesel motor oil will definetly contribute to burned exhaust valves as it collects on the head and face of the valves and retards the transfer of heat of valve to the seat to the head to the coolant.
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Today's Featured Article - Measuring with Calipers - by Staff. The legs of inside calipers are curved outward at the extremities to facilitate measuring small holes, while outside caliper legs have a large curve inward to increase their capacity for large work. Firm-joint calipers are adjusted approximately by the hands and then set to the feel of the work by tapping them on a metal surface. It is a common practice when opening calipers by this means to tap the top of the joint. It is better, if possible, to tap the inside of the legs, as repeated blo
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