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otto_kretschmer otto_kretschmer is online now
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Join Date: Jun 2010
Location: Arizona
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Quote:
Originally Posted by speeder View Post
OK, thanks. Why straight mineral oil for aircraft engines?
Aircraft engines like Lycoming and Continentals are 1940s technology and they really haven't changed much. They don't have cat converters or variable valve timing. They may not even have O2 sensors.

1940s engines need 1940s oils maybe.

so what bike does your friend have?
Old 06-25-2021, 12:13 PM
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