Forum Discussion

F5Pro's avatar
F5Pro
Explorer
Feb 27, 2020

Motorcraft 10W30, 5W40, Rotella or Mobil 1 for 6.7

Just curious about what oil to put into my Powerstroke. Book calls for 5W40 (full synthetic) for towing 1000 miles. Local Ford dealer uses 10W30 as standard oil change oil. There are other diesel oi...
Tow Vehicles
ACZL's avatar
ACZL
Explorer
Feb 28, 2020
Rotella T6 5-40 Synthetic is all I've ever used. Ford is on a band wagon tho when it does to fuel treatments......but that's another story.

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