Forum Discussion

F5Pro's avatar
F5Pro
Explorer
Feb 28, 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
shum02's avatar
shum02
Explorer
Feb 28, 2020
Book calls for 5W-40 synth, put in 5w-40 synth. 10w-30 is to thick for the 6.7L in my thoughts unless it's really hot. 5w-40 has really improved the performance/starting of my 6.0PSD

As for the flavour I put in what ever is on sale. Truck does not seem to care what brand.

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