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Axle code

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Old May 20, 2014 | 07:55 PM
  #1  
Truck Guy99's Avatar
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Axle code

I want to find out some info of my axle gearing. The door sticker is gone.

There is a metal tag on my rear axle that reads

V125C
55 10 2 8E17
 
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Old May 20, 2014 | 08:32 PM
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You're missing a couple numbers, they're probably under the bolt holding the tag. If I were to guess the missing axle ratio number is 3 meaning you have a 3.55 open diff.
 
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Old May 20, 2014 | 08:55 PM
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Originally Posted by Conanski
You're missing a couple numbers, they're probably under the bolt holding the tag. If I were to guess the missing axle ratio number is 3 meaning you have a 3.55 open diff.
3.55 in a 1 ton 4x4 with a big block? Was that an option or has my axle been swapped? I was expecting something closer to 4.10s.
 
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Old May 20, 2014 | 08:58 PM
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I got 3 55 is my f250 with an idi so its possible. I was kinda expecting bigger gears in mine as well.
 
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Old May 20, 2014 | 09:04 PM
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I've got 3:55's C6 and a 460 in my 250. It does fine. Heck, I took a trip on the interstate today and I got 11MPG running 70+ all the way!
 
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Old May 21, 2014 | 06:09 AM
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standard gears were 3.55 and 4.10. you could get either. 3.55 was ordered for highway running, 4.10 was ordered for towing.
 
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Old May 21, 2014 | 09:22 AM
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You could just jack the rear axle up and spin the rear tire and count how many roations the axle has.
 
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Old May 21, 2014 | 10:38 AM
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My brother's 91 F250 460 E4OD has 3.55 Open diff gears. It kinda saddened me but hey just means you can put whatever gears you need/want in their with a great locker and have an excuse for it.
Trav
 
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Old Jul 16, 2021 | 10:03 PM
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This now brings up another question if anyone has any input. I tow a travel trailer that weights 7200lbs dry and about 7500-7700 lbs with water and gear.

Can I using the same axle change my gearing to like a 4.3 set-up? Is their like a kit you can buy online for all the correct parts
so that I can swap out the gearing? Is it super expensive for parts?

EDIT- Just thinking now, its a 4wd does this mean I'd have to change the front as well?

EDIT- Yes I'd have to change both & wow that's pricey. 1100$ and I'm not sure if I could do the gear lash adjustment or not.
https://www.nitro-gear.com/Ford-Supe...-10-select.htm
 
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Old Jul 16, 2021 | 10:42 PM
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Originally Posted by reptar0077
This now brings up another question if anyone has any input. I tow a travel trailer that weights 7200lbs dry and about 7500-7700 lbs with water and gear.

Can I using the same axle change my gearing to like a 4.3 set-up? Is their like a kit you can buy online for all the correct parts
so that I can swap out the gearing? Is it super expensive for parts?

EDIT- Just thinking now, its a 4wd does this mean I'd have to change the front as well?

EDIT- Yes I'd have to change both & wow that's pricey. 1100$ and I'm not sure if I could do the gear lash adjustment or not.
https://www.nitro-gear.com/Ford-Supe...-10-select.htm
You COULD change it in the rear just absolutely under no circumstances ever allow it to engage the front driveshaft. Or blow some **** up i domt know what you’re into

easy.



 
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