So I understand Ford specifies 5w20 in all the modular engines and many other engines, even back to about 1990. What about the V10? That is modular, right?
Okay, so if the V10 is specified to take 5w20, then somebody with a motorhome tell me what does YOUR manual state for oil grade. I am thinking they would specify 5w30 for the heavy motorhome application. Need to see it for Class A too as they are generally heavier than Class C.
Okay, so if the V10 is specified to take 5w20, then somebody with a motorhome tell me what does YOUR manual state for oil grade. I am thinking they would specify 5w30 for the heavy motorhome application. Need to see it for Class A too as they are generally heavier than Class C.