Originally Posted by tseekins

The ecoboost has already proven the masses wrong. Agreed, it's heavy towing MPG's are similar to that of a V-10 but the benefits of empty driving should pay back in large dividends. My neighbor pulls a large camper behind his late model F-150 5.4L 3V and gets about 8 MPG's while pulling. The EB is doing better than that.

My concern would be more with placing the 3.2L diesel in the F-150 more than an ecoboost in the transit.