Rear Gears
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Senior User
Joined: Feb 2004
Posts: 351
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From: So. La.
Rear Gears
i have 3.07 gears in the rear, of my 77F-100 2wd, and that just ant goin to cut it so i'm thinkin of puttin 3.73 gears an locking it up b/c i have some 28in. tires and they are still farley new but when they wear out then i want some 31in. swamper LTB's tires an i'll be i the mud a good bit, but it will still be a daily driver, so would it be better to have 3.54 gears or what. Because i still want it to perform good but i would also like the gas milage to be good also. Thankz for any responses
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Joined: Apr 2004
Posts: 1,127
Likes: 2
From: Lewistown, PA
What engine/tranny combo do you have? I have a 77 4x4 with a 300/435 and 3.50 gearing. I stepped up to 31" tires and it had little effect on the perfomance, if anything it brought my rpms down a little bit, but not much. If I were to go to any size bigger (tires) i would cerntainly step up the gear ratio.
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