Running thinner oil, is my reasoning skewed?

Joined
Jan 18, 2020
Messages
2,283
Location
United States
Think he's talking about the 2015+ S550 Mustang (6th Gen), which was the first generation of Mustang with RH drive for export.
they got Motorcraft A5. it’s what europeans used to think was a fuel economy oil, only about 15 years too late.
 
Last edited:
Top