I was sent a free L. O. F. from the dealer and tried it. I was running Delo 400 and the dealer used Casteroil. Delo 400 hardly any smell, Casteroil a terribly smell just like when it was new. Had thought of the Amsoil until I saw the price. $32. 00 for 6 gal of delo 400 is to good to pass. That was less per gal what Amsoil is per Qt. Also did anyone self note, where is the lube job. I know theres only 3 places but why dont they do it. Its not just me, I havw talked to other owners and they told me to look out. I dont get it.