Pure mineral oil basestocks are blended with unique additives to create Straight 100 Grade Mineral, Break-in Oil. The additives in place in these oils are intended to aid in the process of engine break-in. Instead of being used in normal operation (frequent flight), these are meant to be used briefly (usually less than 25 hours) to cause needed wear to new and overhauled engines. Though some of these lubricants may be cleared for brief flight, it is best to drain and change out these oils and replace with oils specifically intended for normal operation – additionally, refer to product data sheets and item descriptions to determine which oil may be best suited to your application.
Aviation Grade 100 Straight Mineral Oil is most often intended to be used in four stroke piston aircraft engines and some antique engines.
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