Has anyone ever heard of this stuff? It's available in 5w-20 and 5w-30, SL and GF-4 rated. I've seen Pennzoil synthetic blend at Walmart, but it's usually labeled "4x4" or something like that. I suspect that it's part of a load of outdated oil that Big Lots purchased from another store at an extreme discount. And yes, it's $1.79 a quart, which is a pretty good deal for synth blend. What do you folks think? I was thinking of picking up 9 quarts or so for my '99 Accord 2.3 litre, which runs well on SL oil.