Rothgray
Well-Known Member
- Joined
- Jan 17, 2019
- Threads
- 10
- Messages
- 333
- Reaction score
- 211
- Location
- Pittsburgh
- Vehicle(s)
- 2019 Mustang GT
You're absolutely ridiculous, and wrong.Please provide the data (from Ford engineering) that supports your statement that 5W-20 is only to meet CAFE standards.
The manufacturer of diesel engines and construction equipment where I worked for many years also did not make their own: oil; filters; batteries; and many other items *but they did provide their own specifications to the suppliers who made them*. Motorcraft oil may be made by numerous suppliers but it is to Ford specifications.
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