Tuesday, May 21, 2019

Piston oil, used in aircraft piston engines - you can't use regular motor oil. (thanks Steve!)

5 comments:

  1. Looks to be "upper cylinder lube"

    https://garageduvintage.com/product-tag/caltex/

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    1. great website! Thanks! Posting some stuff from there tonight!

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  2. Maybe to put in cylinders for long term storage before 5W oil was available?

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  3. Probably similar to Marvel Mystery Oil and other "top oils", Supposed to lubricate rings and valves.
    Ray Magliozzi (Car Talk) said: "Marvel Mystery Oil is kind of like chicken soup.... It probably won't help, but it can't hurt."

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  4. May have been for Rotary Engines.(https://en.wikipedia.org/wiki/Rotary_engine)Total Loss engines, burned some and sprayed the rest on the pilot.

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