pqia.org
Enjoy the new Dexos1Gen2 Valvoline Synthetic 5w30. Purchased as Walmart in Feb2018 with a manufacture date of Jan 23 2018. Code: VOA - Valvoline Synthetic Dexos1 Gen2 5w30 VOA ALUMINUM 1 CHROMIUM 0 IRON 1 COPPER 0 LEAD 0 TIN 0...
bobistheoilguy.com
These might point you in the right direction. Not the first link is a
5w-20 and the second link is a few years old