I got a FREE Sanborn-Magna Force 3hp 20 Gallon Air compressor. I got the motor running after it sat out in the snow,rain and cold for a year by the last owner.So that was all good but now I want to change the oil in it and can't find the oil the manual(found online)recommends witch is "10w-30 All Season Compressor Oil". After looking on-line it seams you can't just stick motor oil in there so I found some Amsoil Formula 4-Stroke® 10W-30/SAE 30

Synthetic Small Engine Oil (ASE) here( http://www.worldsbestoil.ca/amsoil/ase-10w30-sae30-small-engine-oil.php )would this work? It says it can be used in compressor but i'm not sure they mean AIR compressors or not. Could some point me in the right direction? Thanks