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Old 09-13-2013, 08:33 PM   #1
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Opinions on gears sets 4.11 brands?

doing a swap from 3.07 to 4.11. R&P, cases, brgs. Any experience on brand names?

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Old 09-13-2013, 08:38 PM   #2
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I don't know of any brands in particular I would steer away from, don't really recall any complaints about any of them. Personally, I'd go Spicer since your axles are Dana-Spicer & that is the OEM brand.

What engine do you have, what model year is your TJ, which transmission, and what size tires are the new gears for?

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Old 09-13-2013, 08:56 PM   #3
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Bearings and seals I would go with Timken. As for gears I have always gone the G2 route, but once I did have a defect right out of the box which they did fix it right away. Remember once you answer Jerry's questions that you will also need to replace the carrier too unless you do a full locker.
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Old 09-13-2013, 09:32 PM   #4
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98 TJ w 4.0L & auto trans. Running 31" tires, and yes I know I need to install new carriers. It says so in my post. Brgs- always Timken. There are a lot of brands of ring and pinions, in many, many years past I installed lots of them, OEM brand and otherwise. Fast forwards about 20 yrs (now). Things change, probably some made in China now-a-days, maybe ok-maybe no. I know OEM Dana is good-so are probably many others. That is what I am trying to find out. Also if I decide to go up to 32" tires looks like the 4.11s should still be a good ratio. Milage not an issue, would like my TJ to perform a little better-kinda doggy now with 3.07's This is just a fun 3rd vechicle for my wife and I. I found a good deal on a package for frt & rear. < $ 800.00 shipped. Brand is "Motive gear". counter person says made in USA-comments?
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Old 09-13-2013, 09:45 PM   #5
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I would not buy any parts on my own to give to a shop to install. None at all. Giving the parts to a shop is inviting them to blame the parts you provided if/when something goes wrong during or after the installation. Then you're left in the middle of getting them replaced by the dealer you bought them from who willl be reluctant to warranty anything since he'll likely just blame the installer... the installer & parts provider would be pointing their fingers at each other while you're caught in the middle.

It may cost a little more but have the installing shop provide ALL of the parts so their warranty will cover EVERYTHING no questions asked. And most shops will discount the cost of the parts they sell you if you ask them to. They make most of their profit from the labor so they are not normally against discounting parts... but you have to ask/push them to discount them.
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Old 09-14-2013, 12:24 AM   #6
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Quote:
Originally Posted by kawzak View Post
98 TJ w 4.0L & auto trans. Running 31" tires, and yes I know I need to install new carriers. It says so in my post. Brgs- always Timken. There are a lot of brands of ring and pinions, in many, many years past I installed lots of them, OEM brand and otherwise. Fast forwards about 20 yrs (now). Things change, probably some made in China now-a-days, maybe ok-maybe no. I know OEM Dana is good-so are probably many others. That is what I am trying to find out. Also if I decide to go up to 32" tires looks like the 4.11s should still be a good ratio. Milage not an issue, would like my TJ to perform a little better-kinda doggy now with 3.07's This is just a fun 3rd vechicle for my wife and I. I found a good deal on a package for frt & rear. < $ 800.00 shipped. Brand is "Motive gear". counter person says made in USA-comments?
I am very certain Motive isn't made in the US. I don't really know of any gears that are made in the US. The gear brands are nothing more than boxes. It's a crapshoot, even Dana will buy whatever is available. Pretty much all gears now are made in one of the various Asian countries. I've seen it thrown around that Motive was made in Italy, but Motive also has two different gear types. Their regular and performance, likely they have two different countries of origin.

I personally went with Nitro gears. Really the only gear brand I would stay away from is Richmond, I've heard they are REALLY noisy.

Bearings are far more important IMO, Timkin, Koyo, and even Napas SKF bearings are good. My pinion/carrier bearings front/rear are Koyo. Koyo is OEM for Ford axles (I bought the Ford Racing master install kit for my 8.8 which came with Koyo) and my ECGS master install kit for the HPD30 came with Koyo. The wheel bearings on the 8.8 are SKF.
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Old 09-14-2013, 10:17 PM   #7
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I am installing these my self. says so in my post. I used to do this kind of work for a living. Winter project. I guess others don't really like reading entire post before answering. I am concerned if anyone has had problems with any particular BRANDS. I used to install IEM and customer supplied R&P, but I would not do the work unless they agreed to use Timken brgs. I will look up Koyos.
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Old 09-14-2013, 10:22 PM   #8
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yukon gears timken seals / bearings, i would not use any other brand ring and pinion
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Old 09-15-2013, 03:31 PM   #9
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Standard USA 4.11 is what I put in my jeep 6 months ago.Got a set for front and rear though rons maching on ebay for 380 I believe that included shims and seals front and rear gears. Same manufacturer as yukon. Did it myself and 12, 000 miles they are doing great. Just inspected them front and rear when I did my rear disc upgrade. Though I think you will need different carriers.

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