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Old 05-03-2013, 11:53 AM   #1
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Locker or Gearing?

Ok, so here's the situation. I own a 2010 JK 2D sport, automatic transition, with 33x12.50 Mickey Thompson ATs, 2' lift. My question to you, my fellow JK owners, is this: Should I invest the 1,500 bucks I have into a rear locker, or would I benefit more from regearing? Also, I'd like to know what brand of lockers I should purchase, or what gearing I should use. I've been looking around, and I'm thinking about purchasing Ox Lockers for the rear, and eventually get posi-lock in the front. I'm almost certain that I want to get a manual shifter for my locker.

I hope to get these both in the future, but this is simply a matter of which is more beneficial, for I want to get the most useful one first. I hope I don't sound like too much of an idiot, but I'm still fairly new to the Jeep life.

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Old 05-03-2013, 11:59 AM   #2
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4x4in

What type of off roading are you going to do? Are you going to do some major rock crawling or difficult trails. Once we know this, I am sure you will get many recommendations. Also, what is your current jeep gearing. I am assuming it is either 3.21 or 3.73.

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Old 05-03-2013, 12:06 PM   #3
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Thing is, the labor to install either gears or a locker is a significant chunk of money. But it's exactly the same labor so if you do both at the same time you only have to pay for the labor once. If you do one first and then do the other later you have to pay the same labor twice. And that's not cheap.

I saved up my money and I'm doing gears and lockers at the same time. That way the labor only has to be done once and I end up right where I want to be.

It doesn't hurt to wait a while to do it all, especially if you already have 3.73 gears. If you have 3.21 gears that just means you'll want to find ways to save faster.
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Old 05-03-2013, 12:07 PM   #4
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I should have mentioned that before! I'm in Illinois, so I'm pretty much restricted to some pretty heavy mudding, with some trailing, and some minor rock crawling. My Jeep is still my DD, so I'd like it to be somewhat road capable, although that isn't my biggest concern. I have the stock gearing right now, and I'm not sure what that is, but I'm looking at the rehearing chart, and thinking that 5.13 would be appropriate for what I'd like to do.
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Old 05-03-2013, 12:23 PM   #5
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If you are stuck at 1500 you can do gears and install plus a lunchbox style locker, like an Aussie in the front. They run about 280 bucks. That will help you tremendously in the mud and rocks and won't cost an arm and a leg. That should be achievable within your said budget. 5:13s will feel very steep on 33s. If you are going up in tire size in the future go for it, but if not maybe consider 4:88s
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Old 05-03-2013, 01:44 PM   #6
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Quote:
Originally Posted by JK Rookie View Post
Ok, so here's the situation. I own a 2010 JK 2D sport, automatic transition, with 33x12.50 Mickey Thompson ATs, 2' lift. My question to you, my fellow JK owners, is this: Should I invest the 1,500 bucks I have into a rear locker, or would I benefit more from regearing? Also, I'd like to know what brand of lockers I should purchase, or what gearing I should use. I've been looking around, and I'm thinking about purchasing Ox Lockers for the rear, and eventually get posi-lock in the front. I'm almost certain that I want to get a manual shifter for my locker.

I hope to get these both in the future, but this is simply a matter of which is more beneficial, for I want to get the most useful one first. I hope I don't sound like too much of an idiot, but I'm still fairly new to the Jeep life.
JKRookie,

Derf makes a great point, both parts should be installed professionally. the best way to save money is to do it all at once. Since you'll have the axles torn apart for the gears, might as well do lockers at the same time. So save up your pennies for a little while longer and you'll be more than happy with the results.

As for the gears and lockers, I would recommend selectable lockers front and rear. OX makes an awesome product and the fact it's mechanical means there are no compressors or electronics to mess with. Simply pull the lever and it's locked in.

Gear ratio for an automatic 3.8L running 33's should be around a 4.88 ratio. Unless you plan on going up to a 35, I wouldn't put a 5.13 in it.

Hope this helps! Feel free to get a hold of me with any questions you have.

-Zach
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Old 05-03-2013, 02:50 PM   #7
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Originally Posted by ExtremeTerrain View Post
JKRookie,

Derf makes a great point, both parts should be installed professionally. the best way to save money is to do it all at once. Since you'll have the axles torn apart for the gears, might as well do lockers at the same time. So save up your pennies for a little while longer and you'll be more than happy with the results.

As for the gears and lockers, I would recommend selectable lockers front and rear. OX makes an awesome product and the fact it's mechanical means there are no compressors or electronics to mess with. Simply pull the lever and it's locked in.

Gear ratio for an automatic 3.8L running 33's should be around a 4.88 ratio. Unless you plan on going up to a 35, I wouldn't put a 5.13 in it.

Hope this helps! Feel free to get a hold of me with any questions you have.

-Zach
I agree with the points above that you'll pay labor twice so do them both- but if this isn't feasible I'd do gears first. You'll be on the road, what 90% of the time- so gears are a more practical upgrade on a budget. Instant gratification.
Secondly, in consideration of your lockers be sure to factor in driveability on the road. Yes there are less expensive options out there- but will a 5 point turn to get into a parking space bother you? How often, realistically, will you wheel? Plenty of people manage to have a lot of fun without a locker at all. I love my ARB because when I am on pavement there is no difference in how the Jeep drives. Its more expensive but to me worth not affecting my day to day driving. I have buddies who only use their Jeeps on pavement to get to the trail- they don't care about what it drives like on the road. So cheap and functional is their priority.
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Old 05-03-2013, 08:04 PM   #8
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Man am I glad I consulted you guys before I rushed into buying one, definitely just saved me loads of money. Looks like I've got some pennies to save! Thanks all for the help.
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Old 05-03-2013, 11:52 PM   #9
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Man am I glad I consulted you guys before I rushed into buying one, definitely just saved me loads of money. Looks like I've got some pennies to save! Thanks all for the help.
I have a manual that had 3.21 gears and intalled Yukon 4.88 Gears last December. Since I went from way under 4.56 to over 4.56 I needed to replace my carrier up front so since that was half the cost of a Detroit Tru Trac Locker I had that installed. I absolutely love this setup. I wish I could have swung for a few more hunred $$ and put some sort of locker in teh rear but I was really stretching it when I did this.

The reason I am posting here it to warn you not to gear too low. Low gearing is really nice especially if you wheel some and in my case it makes highway driving so much better. I now have the full range of my 6-speed where before I stopped shifting at 4th. Oh, and I have 35" tires. So be sure to study up on how gearing works and understand what you are getting into. There is a gear calculator somewhere that should be easy to find that helped me a lot. Good luck.

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