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
bpounds's avatar
bpounds
Nomad
Mar 02, 2020
The dealer is using what Ford specs for normal service. If you don't use the truck in normal service, it is up to you to tell the dealer that you need severe or extreme service oil. How is the dealer supposed to know unless you tell them. And of course, expect to pay extra for the upgraded oil.

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