15w-50 isn't even carried by most dealers (Here in NY anyway). My Priller dealer gives me the 20w-50. Don't think I'll ever go full synthetic, as the oil is changed every 2k anyway. Using a 50-50 blend is the closest I'll go to full.
<font color=red>MAD</font color=red><font color=white>FAL</font color=white><font color=blue>CO!</font color=blue>
<font color=red>MAD</font color=red><font color=white>FAL</font color=white><font color=blue>CO!</font color=blue>
