Hello !
I Use Ballistol and Silbergleit.
Silbergleit is very good and makes iron slippery without a rubber efect. If you use Silbergleit you have no problems with rust. I use every friday after work for my engines and planes.
http://www.ebay.de/itm/like/121510425008?ul_noapp=true&chn=ps&lpid=106