Just picked up a 14 f250 6.7 I'm convinced in running 5w40 only and am looking for good syn oil to put in it I'm also convinced in Not Running Rottela. I'm looking at
1 valvoline premium blue
2 m1
3 Schaefers
4 royal purple
5 amsoil
Leaning hard on 3 and 1 from other psd reviews but still looking recommendations amsoil being the most expensive pushes them to end of list
Oci will probably be around 7500 filter will more likely be wix or maybe motorcraft
1 valvoline premium blue
2 m1
3 Schaefers
4 royal purple
5 amsoil
Leaning hard on 3 and 1 from other psd reviews but still looking recommendations amsoil being the most expensive pushes them to end of list
Oci will probably be around 7500 filter will more likely be wix or maybe motorcraft