9 901Memphis Joined Aug 14, 2010 Messages 12,968 Location Northern Kentucky May 27, 2014 #21 This is clearly 5w20. Those engines don't shear 5w30 like that.
J Jaymus Joined May 11, 2007 Messages 1,267 Location Tennessee May 29, 2014 #22 I imagine it had more fuel in the oil before the 25 mile drive before your drained it, but that viscosity doesn't match up, to me. I see mention of it probably being an xW-20 and I have to lean that way. Also I wonder what the TBN was after 13 months.
I imagine it had more fuel in the oil before the 25 mile drive before your drained it, but that viscosity doesn't match up, to me. I see mention of it probably being an xW-20 and I have to lean that way. Also I wonder what the TBN was after 13 months.
