I have 2 copies of the Mobil 1 Engine Oil Table that shows phosphorus/zinc levels for their synthetic oils. The first, dated 5/27/10, is when most of their oils were rated GF-4 SM. These oils, 0W-20 AFE, 0W-30 AFE, 5W-20, 5W-30, 5W-20 EP, and 5W-30 EP are all listed as 800 phos/900 zinc. Their...