I recently received an email from Mark Peterson concerning the use of preservative oils. I have addressed this before, but preventing rust in low usage aircraft is still the number one lubricant area of concern for GA pilots.
A number of years ago, Phillips started to recommend that pilots add a quart or two of a Mil-C-6529C oil to an oil change just before putting an aircraft away for an extended period of storage. This product is available from Phillips as Aviation Anti-Rust oil and from Shell as Aeroshell Fluid 2F. [Read more…]