Grambo
New Member
I just picked up a 2017 3.5 EB with 75K one owner miles I am assuming it was standard oil my guess
5w-30 the owner had done w/ oil changes so with the Ecoboost
Switch over to Synthetic or Amsoil?
Or
since it has 75K stay with standard oil weight (Is switching to synthetic bad idea)
5w-30 the owner had done w/ oil changes so with the Ecoboost
Switch over to Synthetic or Amsoil?
Or
since it has 75K stay with standard oil weight (Is switching to synthetic bad idea)