<strong>Yahoo Message Number: 86853</strong>Has anyone use any of these in the fuel or oil. I also have a 06 Ford with a 6.0 and this stuff is the best thing since sliced bread, they have the Hydraulic Electronic Unit Injector system (HEUI) they shear the oil also max is 5000mi http://www.evergreenamerica.com/store/index.php?route=product/category&path=57...