Locking differential

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Locking differential

Postby Beastcabs10 » Mon Jan 16, 2017 8:25 am

Anybody installed a locking diff on their s10? Just wondering get what brand yell went with before I buy.
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Re: Locking differential

Postby HenryJ » Wed Jan 18, 2017 8:23 pm

The stock rear is pretty flexy. Best to upgrade to the ZR2 rear axle. Many of those will have the GovLoc. I like them :)
If you really want a locker and do mostly offroad the lunchbox lockers (Powertrax) do work. They can be harsh and really beat the axles and transmission though.

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Re: Locking differential

Postby Beastcabs10 » Sun Jan 22, 2017 6:10 pm

If I do fine a zr2 axel with the right gearing the drive shaft and everything should fit on the same right?
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Re: Locking differential

Postby HenryJ » Sat Jan 28, 2017 9:54 am

Should. Some had a different size U-joint and require and adapted cross to fit the driveshaft. Mine was direct bolt in :) If you have 3.73 ratio the odds are in your favor as most were that ratio I believe.

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Re: Locking differential

Postby Fv195 » Wed Nov 08, 2017 5:03 pm

Powertrax locker. Love it, 4wd not needed much anymore
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Re: Locking differential

Postby Ezrollin » Thu Jan 25, 2018 7:36 am

The ZR2 rear will be hard to find and expensive and isn't necessary unless you intend to do some severe off roading, in which case you will also need to reinforce your frame. Do some online research on the different types of units available, they all have pros and cons.
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Postby _STUCKY » Fri Jan 26, 2018 6:33 am

Zr2 axle is a huge upgrade over the original axle in these trucks. No frame reinforcement required, other than the ujoint it’s a straight swap that couldn’t be easier. For a 3.73 truck that has issues with the original rear axle, it’s a no brainer in my opinion. Is that what I did? No, I went with a cab and chassis 14 bolt with 4.10s and a Detroit locker. It’s, uh, slightly bigger....
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Re: Locking differential

Postby southernzr5 » Tue Feb 20, 2018 2:30 pm

STUCKY, do you happen to know what u-joint is needed? Part number? I got a zr2 axle the other day and plan on swapping in my crew.
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Postby _STUCKY » Wed Feb 21, 2018 3:48 am

Sorry, I don’t know a part number that will work, but what I’d do is, have them look up for your truck (driveshaft yoke) and the truck the axle came out of (axle yoke), and go from there. Hopefully it will be the same, easy peasy. If it’s not the same, there are conversion u joints available where half of the cross is 1 size and the other half is another size, also easy peasy. Good luck!
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Re: Locking differential

Postby southernzr5 » Wed Feb 21, 2018 10:08 am

Will try that, Thank you sir!
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