Check out the Milesyn SXR 5w20 Dexos approved motor oil tested by PQIA. Over 240 ppm of boron and near 80 of molybdenum and 2200 of calcium. TBN over 8 and NOACK less than 10%. This oil looks quite good according to their testing. So, it may well get the cheapest Dexos approved oil out there from Walmart.
Last edited by bbhero; 06/30/17 05:44 AM.