Towing Capacity
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Towing Capacity
I currently have a 1978 F250 Camper Special 4x2wd 460/C-6 with a 4.10 possi and 33in over size tires.
I'm wondering how much my towing capacity would be reduced or changed if I replaced the 4.10 with a 3.54?
I'm wondering how much my towing capacity would be reduced or changed if I replaced the 4.10 with a 3.54?
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Joined: Sep 2000
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From: Southern California
I think about 1000# would be a close ballpark figure. With your oversized tires, your trucks effective axle ratio is closer to 3.75 actual ratio. A 3.54 axle would bring the effective ratio down to about 3.31. Ford usually recommends a minimum axle ratio of 3.54 for heavy duty towing.
Welcome to FTE and thanks for joining us in the Towing forum
Welcome to FTE and thanks for joining us in the Towing forum
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After spending some time pondering the whole thing: I may change out the rear gear to a 3.54. but the truck was designed to pull, and that is ultimately what I would like it to do. My answer for better gas milage is: I'm getting a second truck that will give me the economical up-side and pretty much leave my tractor truck as the hog it was meant to be.....
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