rickofudall

Joined: 19 Sep 2009 Posts: 1392 Location: Udall, KS, USA
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Posted: Sat Dec 11, 2010 7:36 am Post subject: Oil Info, myths? |
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There are things that stick in the memory. One that stuck in mine, and I can't remember if it was from Rotax or LSARM classes, was about mixing two stroke oils. Specifically, mixing API rated two cyle oil (API TC) and NMMA TCW-3 would cause them to congeal. Knowing this I stocked up on Pennzoil Air Cooled which is API TC rated so I wouldn't have to worry about draining and cleaning out my 582's rotary valve oiling system. I have always advised other 582 owners to know what oil is used in the rotary valve system, too. Yesterday a customer took delivery of a new to him airplane at my place and the previous owner had sent along a couple of pints of Pennzoil Air Cooled (the 582 has oil injection, too). When I looked at the bottle the first thing I saw was that it is now NMMA TCW-3 rated. Is this compatible with the older oil or not?
Rick Girard
--
Zulu Delta
Kolb Mk IIIC
582 Gray head
4.00 C gearbox
3 blade WD
Thanks, Homer GBYM
It is not bigotry to be certain we are right; but it is bigotry to be unable to imagine how we might possibly have gone wrong.
- G.K. Chesterton
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