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5.13 gears for sterling 10.5???

the pinion on the 11+ 10.50 is different then the older trucks and thats why you cant get 5.13-5.38 gears. as shown above its very easy and common you take the locker out and run in an older housing. know i guy running one in his Toy based buggy with 39-46 tall tires and zero issues with the locker in the last year, and he runs it hard
I came across this today:

They also have 5.38’s..

From the “Description” section on that page:

Ford 10.5" 5.13 Nitro Ring & Pinion

Tech Note:


99 & Newer models can use 10.25" ring & pinion as a replacement. When replacing a 10.5" gear set with a 10.25" you must utilize the 10.25 inner pinion bearing, recommend MKF10.25. May require new yoke.”

Hope this is true. Was going to run 4.88’s but wanted 5.13’s.
 
So that info is correct. The challenge is 2011+ housings have a bigger pinion than the older 10.5 or even 10.25
 
So that info is correct. The challenge is 2011+ housings have a bigger pinion than the older 10.5 or even 10.25
yes the pinion and housing changed in 2011+. carrier is the same from 1984-current so can swap the elocker in. when doing aftermarket gears in a 10.50 (99-2010) housing you use 10.25 bearing set
 
if you already have the 11+ diff and want to use the elocker and want 5.13/5.38 gears then you need to take the locker out and install in a 1984-2010 housing. problem solved :flipoff2:
I know. For $400-500 I can get another housing and spend a few hours stripping it. It would give me spare shafts, hubs, spindles etc.

Then just drill a hole for my locker wires. That might be the smartest route
 
Sooo if I were to go 05-10 housing...That opens up 5.13 and 5.38. When paired with a Dana 60(05+) what is a good pick between the 2? id assume 5.13 is stronger but pure physics
 
Sooo if I were to go 05-10 housing...That opens up 5.13 and 5.38. When paired with a Dana 60(05+) what is a good pick between the 2? id assume 5.13 is stronger but pure physics
I don’t think there’s a measurable difference in strength between the two. Seems like the pinion is pretty much the same size either way
 
I chose 5.38s because I wanted Spicer gears in my HP 60 and I got them inexpensively.
 
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