Ever heard of Blackstone Laboratories ?
www.blackstone-labs.com
"You can go into any mass retailer (Wal-Mart, Meijer, AutoZone, etc.) and buy a 5W/30 (or any other grade) that will perform well in your engine. One of the best-kept secrets of the oil industry is that these store brands are actually the same, quality oils that are produced by the major oil companies. The only difference between these products and the major company brands is the name on the container and the price. Don’t believe us? Try running your own experiment: do a sample on Oil A after a known number of miles, then do a sample on Oil B and compare the wear levels. You may see a little fluctuation, but it’s very rare for one oil to make a significant difference in an engine’s wear patterns."
And then there's Micks Garage
Right, I'm going to get my apology in good and early because the following rant is probably going to sound like I'm having a pop at car forums, butthat's not the case at all, I'm amember of quite ...
www.micksgarage.com
If something isn't as it should be we have VLS .