Recent content by rjrizzuto

I have a '19 mustang Ecoboost premium convertible. For the ecoboost engine, the manual says on page 301 to use 5w30, but says 5w50 can be used for tracking the car. It also says 0w30 can be used for extremely cold climates (pg 304). For the 5l v8, it says on pg 306 to use 5w20 normally, 5w30...