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[attachment=0]Acetone- ATF Penetrant Oil.jpg[ I still find many people who spend money on penetrating oils and after run oils that are ill informed. Consumers Digest published an article that was stunning to say the least on the subject. I will download the article due to its original form and content. This opened my eyes and we have used it ever since in the aviation shop.
All after run oils seem to fall short in their composition and will eventually oxidize and gum up. 3 in 1 oil is about the worst in this respect and I really don’t know what it is good for. Pneumatic tool oil is fair and has been sold by enterprising modelers in the past. The very best is ATF fluid because of its stability and thermal handling ability. ATF oil is compounded to stand up to many parameters of operation and last a long time in operation. Just think of the loads and temperatures involved in today’s transmissions. How long would your transmission last with 3 in 1 or a standard oil being used in it. Food for thought. Bill Schmidt ( Federally Licensed A&P Mechanic)
Bob DeShields and I have been using Ford ATF transmission fluid for years with no side effects.
Mike
Dan, Rislone is Green not blue. What are you really using ? But seriously folks, Dan has a point in that Rislone is the 2nd best choice for after run oil. It was originally championed by Geo. Aldrich many years ago, and listening to his siren call I used it for many years before moving on to ATF. Bill
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