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Old 12-15-2013, 01:49 PM   #1
Join Date: Dec 2013
Posts: 2
About to make my first Jeep purchase... Need some assistance please...


Good to be here... I am within 90 days of my first Jeep purchase and need some advice concerning the gear ratio/tire size...

The Jeep I am looking at is a 2013 Wrangler Unlimited Sport Automatic transmission with 38" tires (5 inch suspension lift) and it has the Anti Spin 44 Dana Rear Axle with 3.73 gears. My concern has to do with the gear ratio with the tires.

I am not a current off-roader BUT would like to start and get involved with a local (North Georgia) Jeep group. My boys are 14 and 10 and the three of us would like to start hunting, fishing, camping, etc... So while I may not be on the Rubicon trail, I do see off-road in our future.


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Old 12-15-2013, 02:02 PM   #2
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Regardless of your plans to go off-road or not, 3.73 is really high gearing for turning 38" tires. Really, really high.

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Old 12-15-2013, 02:08 PM   #3
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Thanks... What would you suggest? If I am in negotiations with the dealer I need to know what I should be asking him to change in order to make this vehicle the best purchase for me.
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Old 12-15-2013, 02:33 PM   #4
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In all seriousness spent the next 30 days reading this forum. A 5" inch lift has a lot more to consider like drive line issues, axles etc. 38" tire for a daily driver will cost. Fortune in gas. Even a couple days reading on lifts, tires, and gear ratio all through the "search" function will save you regrets and money later.
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Old 12-15-2013, 02:48 PM   #5
yeah,,,, im that good

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Buy a stock Jeep Sport with 3.73's and go from there.

As a first time Jeeper, DO NOT buy a Jeep with a 5" lift and 38's unless you have really deep pockets and it is just a pure toy.
2013 Sahara Unlimited
Billet - Auto - 3.73 - Connectivity - Painted Hardtop - LSD - Remote Start - Saddle Leather - Side Airbags

I may mall crawl...but I look good doing it.....
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Old 12-15-2013, 03:20 PM   #6
Join Date: Oct 2011
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Here are some simple things to consider...off-road basics, if you will:

Big tires look awesome and add a lot of capability, but they have a significant amount of mass and are more likely to CAUSE drivetrain failure elsewhere on the Jeep. Big tires like that will roast ball-joints, stress your axles, bury your fuel economy, snap drive-shafts, and blow up differentials. Sleeves, gussets, trusses, and other components will bring you added security and strength, but have you really managed to get anywhere?

A big lift brings a high center of gravity and reduces stability, on and offroad. 5" is nothing for a 1/2 ton truck, but on a Jeep it might be excessive.

I don't want to ask for numbers, I'm just going to speculate based on local dealers. Here in Indy, a Loaded Sport plus 5" lift and 38" tires on some 20" wheels will probably hit your checkbook for $45-50k after parts and labor. At this point you still have several thousand in parts and labor to strengthen the Jeep for longevity.

I'd go about this in a different way: buy a loaded Willys Wheeler, or Rubicon. These both come with mud tires and rock rails and give you the basics needed to figure out what you want to build your Jeep into.

Here's what I'd expect you end up with: a 2 1/2" lift, flares, 35-37" tires on 17" wheels, bumpers, some lights, sleeved & gusseted axles, ARB lockers, sPod, a Sport cage and a winch.
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Old 12-15-2013, 03:25 PM   #7
Join Date: Jul 2013
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Originally Posted by panthermark View Post
Buy a stock Jeep Sport with 3.73's and go from there.

As a first time Jeeper, DO NOT buy a Jeep with a 5" lift and 38's unless you have really deep pockets and it is just a pure toy.
X2 don't buy a JK with a 5" lift... Thats crazy and really is catered toward those that don't know any better or those that just love to be really high. You can fit 38's with a 3.5 lift and flat fenders and you will have a lot less problems with the driveline.
Recommend you get a stock jeep and get a feel for how it wheels that way you will learn a lot more. Personally I like the Rubicon as it has D44's, a 4.1 T-case and you can get the 4.10's added real cheap.
In reality if your smart about it you could buy a really nice 2.5 lift from RK or Tera and run 37's and flat fenders.

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