I was at Wally World tonight and I just don't get it. Castrol GTX dino for $2.42/qt, Conoco Phillips Synthetic blend for $1.48/qt. Does anyone here run the Castrol, at a 64% cost premium? If so, how do you justify it? I am assuming WM price on Castrol is about as good as it gets. If you can get Castrol somewhere for near $1.50, then this post is useless. This is not meant to be a dig on Castrol or those who use it. It just seems like a huge difference in price for what I would guess are similarly performing oils. Anyone want to take a stab? BTW, I have 54 quarts of the CP syn blend in my stash.