Originally Posted by Bacon117
I know we don't agree on how big of a deal oil weights are. I know at Ford, they go through a LOT of work comparing oil weights and contents, and I assume Subaru does the same. So if it's recommended from the factory, it should have passed the test.
...and.....fraud has a LOT more $$$ to use to engineer their engines internal specifications and materials to take advantage of using a thinner oil to achieve better mpg without failures that we have......how many turbo gas engines does ford sell and recommend 5w20 for??
well anyway....viscosity is a HUGE issue for subaru engines regardless of what fraud does