Do whatour club does, buy direct from the manufactuer in drums. We order a drum of 15% every year and sell it at $12.00 gal and still make money.
http://splube.com/otherapplications.htmlBut I have switched over all my 60 and bigger planes to DLE20 gas engines. I'm with ACEon this one yuk on cleaning snot off my planes and having my covering come loose.