Regarding a 2002 F-350 7.3L Powerstroke with a Bypass Oil Filter and Amsoil Diesel Motor Oil.
Is their 15W-40 Heavy-Duty Diesel and Marine Oil still the best oil to run for long OCIs?
Have been using the Diesel and Marine Oil with great success but see that they have some new 15W-40 out and don't even list my oil anymore for my truck as a recommended oil.
Asking here because of the forums historically valued unbiased advise. TIA.
Is their 15W-40 Heavy-Duty Diesel and Marine Oil still the best oil to run for long OCIs?
Have been using the Diesel and Marine Oil with great success but see that they have some new 15W-40 out and don't even list my oil anymore for my truck as a recommended oil.
Asking here because of the forums historically valued unbiased advise. TIA.