Oil analysis results from Quaker State Deluxe HD (90 ppm boron, 738 ppm calcium, 1082 ppm magnesium, 1278 ppm phosphorus, and 1366 ppm zinc) as well as Quaker State Sterling, with 785 ppm sodium, 1183 ppm calcium, 1070 ppm phosphorus, and 1081 ppm zinc).