Contour Enthusiasts Group Archives Forums Modifications Duratec Maintenance 15w 50 Mobil 1 Synthetic?????

The previous owner of my car used Mobil 1 15W50 because it's CF rated (for diesels) and meets the bare minimum standards set for VW diesel engines. Not the best choice but certainly not the worst. My engine survived it. I switched to a more diesel friendly oil, Shell Rotella T synthetic, 5W40.