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Discussion Starter · #1 ·
my f350 has 300k on it.
95% of its driving is on trips of 22 miles or more at highway speeds.

Want to drive the truck to 500k miles...but wondering if a tune or a chip would help the mpgs? I know its not a Honda Civic...I am not looking for 35mpg....would love to pick up a couple more than I have.

Thanks
 

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Make sure their is no boost leaks and the fuel system is clean and filters are good. No dragging brakes or other drivetrain issues.

Cheap way to increase efficiency is straight pipe stock exhaust, 6637 intake and 60 hp econo flash from dp tuner.

If you got money to burn get a 4 inch exhaust, 6637 or s&b intake and a ts 6 chip from [email protected]

Gauges are a must if you tow or play on higher settings
 

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