So far 500 miles notices 2/10 gallon…
So far 500 miles notices 2/10 gallon increase in town driving some power increase when towing(6500 lbs travel trailer) today for 150 miles fuel economy towing maybe 0.5 miles per gallon. Highway today non towng for 150 miles maybe same or 1/10 better. Will do further testing next month and in April 2020. Driving 2014 F150 5.0 with trailer towing package.