Larry is right. Check with your FBO on which Oil distributors carry Aviation oil in your area. Once, I was emptying the hanger trash into the FBOs dumpster and spied a empty AeroShell box with the name/address of the local distributor on it. Gave them a call and I buy my Aeroshell 100 from them at $26.50 a case of 12. Good luck!!
Brant Hollensbe bhollen...@mchsi.com DSM Iowa