rbs62ExplorerDec 22, 2016Oil additive f350. 7.3 2001What is best oil additive to add to 7.3 with 171000 miles?
Community AlumniDec 23, 2016That study is 10 years old and means nothing today, IMO. Fuels have changed as have engines. All I use is an antigell additive in cold weather.
Related Contentfuel additivesdiesel additivesAdditional fuel tankGumout VS Seafoam Additivesfitting 2001 Northern Lite on 2015 F350 Super Duty
