Functional Fluid, Lubricant, Grease (including Additives)

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In engines use approximately 20% or one quart to each gallon of any plain motor oil, petroleum or synthetic. In badly worn engines, use more up to 60% or 80% if necessary. In manual transmissions and transfer cases use 25% to 50%. In differentials use 25% to 50%. In badly worn or noisy differentials use 50% to 100%. In industrial gear boxes use 25% to 50% for preventative maintenance and less power drain. If necessary use 50% to 100% to stop leaks and overheating.