Quote:
Originally Posted by jmdsurf45
You guy that are getting high mpg must not have aftermarket tires and 4x4. I drove my truck all highway on a 300 mile stretch at 65mph with cruise control and the avg was 15.7. I would give anything for 19.8!
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I have an '07 Dbl Cab, 4WD, longbed, 5.7L with a shell on it -otherwise it's stock. Got 18.6 mpg on the highway the other day (230 mile trip). These trucks are fairly well tuned from the factory - why wouldn't they be? I'd bet I've seen more people on here with intake/exhaust mods that get worse mileage after the mods, then those that are reporting better mileage. Of course it all depends on for what reason one's doing the mods. Pound for pound, rotational weight is the worst weight you can have.