How do I improve gas mileage on my 2010 F250 Super Duty.

Asked by May 25, 2015 at 09:06 AM about the 2010 Ford F-250 Super Duty XL Crew Cab 4WD

Question type: General

I have an F-250 Super Duty with the 331 gas engine. It develops plenty of power to pull our shorty 5th wheel, but mpg sucks, literally. I bought it a year ago, and put in a new engine, I can't seem to get better than 9-10 regardless of in town, or hiway. It came with larger tires, and I suspect that to be a major participant. With returning to the factory suggested rubber, and maybe octane boosters, are there any other ideas for improving mpg? Any help would be greatly appreciated.

2 Answers

50

K&n would help a little

70

the key is to get more air in and exhaust out so a catback system for the exhaust to minimize restriction and a k@n cold air intake and you could also get a controller to help with your mileage

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