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Oil quality significantly influences the ultimate size of maintenance and energy expenses, which are many times larger than the cost of oil. In fact, if you look at what oil costs as a percentage of your total maintenance budget, it is insignificant , typically only about 2 percent. And cost of energy for rotating equipment is 20 to 25 times larger than the entire maintenance budget. An energy efficient oil that could net a mere 0.1 percent energy savings would pay for 100 percent of oil purchases.


Co-owner of Double Eagle Aviation located in Tucson, Arizona, our advice to private flyers is very simple. Don't fly without Bishop Original Products treating your engine. It's the best insurance you can buy and it cost very little. We treat our engines every 300 hours.
--George T. Gregory, Jr.

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