88 7.3L Mileage
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Joined: Oct 2001
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88 7.3L Mileage
I own an 88 F-250 4x4 with a 4.10 rear end, and auto transmission. Can I hope to see more than the 10.5 - 12mpg I am seeing. The thing will tow a large building but I only tow a two horse trailer so, would a different rearend gear ratio make a big difference? Also if I changed the rear end gears would I need to do anything in the front?
Is this bad mileage for this truck?
Is this bad mileage for this truck?
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Joined: Jan 2002
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88 7.3L Mileage
Swapping to taller gearing will help your mileage so long as you don't use more throttle to compensate for the decreased rpm. Towing a two horse trailer should not be a problem with 3.73 or 3.55 gears. If you change the rear you will need to change the front.
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