rbs62ExplorerDec 23, 2016Oil additive f350. 7.3 2001What is best oil additive to add to 7.3 with 171000 miles?
colliehaulerExplorer IIIDec 23, 2016Never used a oil additive in mine. Just changed the oil with Shell Rotella every 5k miles.
Related Contentfuel additivesdiesel additivesAdditional fuel tankGumout VS Seafoam Additivesfitting 2001 Northern Lite on 2015 F350 Super Duty
