F-350 Super Cab, long-bed, dually, with towing package, automatic transmission, 5.4 v-8 engine, year 2000. I want to change out the rear end to get better gas mileage. Which rear end should I get and how much will it cost? Can I install it myself?
I don't know how much better gas mileage you will get with a gear change. I don't think it will be worth the cost verses saving a couple mpg. The 5.4L engine is kinda small for this size truck. The better way to go would be a cold air intake and an aftermarket exhaust this will easily give 5-10 mpg increase over stock and won't sacrafice any power when towing
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