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Old 04-21-2013, 12:36 PM   #1
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Lift and tires 2012 Wrangler

Got my first Sahara unlimited last summer, best choice ever. Looking at getting a suspension lift and bigger tires. Not really to sure in what ill need, this is what I have so far.

Rims

XD775 Rockstar - Matte Black Wheel by XD Series (not sure on bolt pattern)

Tires
35x12.50R-18LT, TrXus STS Radial Tire by Super Swamper

Suspension lift
Jeep JK Wrangler Suspension Lift

Now it says I need exhaust modes, can anyone explain exactly what needs to be done. Also not sure if I need wheel Spacers, should I body lift too. Clearly newb at this so I'm not sure if this build even works. Hit me with some feedback, thxs

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Old 04-21-2013, 02:05 PM   #2
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Get your wheels from here. You'll save a ton of cash since they cost less with free shipping and they deliver fast. And you can choose to add the tires as well (not sure if they carry your brand) and just hire someone else to mount them for probably 40 bucks or less.

Wheel Products - Discount Tire Direct

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Old 04-21-2013, 03:08 PM   #3
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Bolt pattern is 5x5.

Rough Country is a "discount brand" lift, and 4" is a very large lift. You decide if you want to make large changes to your suspension system using bargain basement components. I would not.

If you're going with a large lift, I would look at Rock Krawler, AEV, TeraFlex, Clayton, Full Traction, or some of the other more reputable brands. If you must go cheap, then stick with Rough Country's 2.5" budget boost kit. That will still clear 35s.

You'll need an exhaust spacer.

No wheel spacers needed if you're getting new wheels with 4.5" or less of backspacing.

Don't get a body lift on a JK unless you need it. And you don't need it.
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Old 04-21-2013, 03:33 PM   #4
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Here are some pointers
1. That lift will ride very poorly with that amount of height and no adjustment for control arms. Additionally, I have never met someone, in person, that was happy with their rough country lift.
2. If you plan on spending more time on road than off (most of us) you will be more happy with a bfg km2, Goodyear duratrac, Goodyear MTR or a pro comp extreme MT2. They will all handle better, get 40-60 thousand miles, weigh a lot less and do well off road. Swampers are awesome tires off road, but will leave you less happy on road.
3. If you are dead set on an 18, by all means stick with it. You will save a lot of money on both rims and tires if you drop down to a 17.
Hope this helps.
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Old 04-21-2013, 11:28 PM   #5
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Old 04-21-2013, 11:40 PM   #6
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By your choice of wheels, and tires alone, I suggest you step it down a notch unless you dont mind having battle scars on ur expensive wheels. The rock krawler is an awesome kit but if you intend to "push" your jk with the rock krawler suspension you mentioned, ur wheels will get thrashed.
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Old 04-22-2013, 12:57 AM   #7
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Just some tips, most of them stated above. You might wanna look into a 16 or 17 for wheels it'll be a lot cheaper. Second I would pick a mud tire if not an all terrain depending on what you plan in doin with your rig. If its strictly offroad then the swampers will be fine but I had a buddy who ran a set of 37" swampers for a DD an they didnt last 6 months. Third, stick to a 2.5" maybe 3" lift unless you want driveline issues(new driveshafts, extra components, lca's, longer brake lines, ect.) So you might wanna do some more research before you waste money
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Old 04-25-2013, 10:01 AM   #8
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Is a 3 inch lift that noticeable compared to stock. It's hard to tell with pic unless its a side by side comparison.
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Old 04-25-2013, 10:13 AM   #9
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Quote:
Originally Posted by TcBish View Post
Is a 3 inch lift that noticeable compared to stock. It's hard to tell with pic unless its a side by side comparison.
Heck yes.

3" lift over stock tires would look something like this:



3" lift over (what I believe to be) 37" tires . . . or maybe 35s:



Stock jeep:

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Old 04-25-2013, 10:46 AM   #10
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Sweet thanks for that. So I know if I go over 3" I run into major upgrades. What about if u run a 3 lift with 1or 2 body also or do I run into the same problems.
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Old 04-25-2013, 11:17 AM   #11
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Originally Posted by TcBish View Post
Sweet thanks for that. So I know if I go over 3" I run into major upgrades. What about if u run a 3 lift with 1or 2 body also or do I run into the same problems.
In general, body lifts are frowned upon with JKs. With a 3" suspension lift and flat flares, you could easily fit 37" tires. Maybe even 40s. Those are enormous. That means that unless you're just doing it "for looks," there's really very little reason to add a body lift.

But let's back up a bit . . . any lift, whether a suspension lift or a body lift, changes the geometry of the vehicle in some fashion.

If the lift is big enough or the adjustments you make to compensate for the geometry changes are crappy enough, you'll have problems.

Suspension lifts move the frame and body upwards while the axle stays in place. The result is geometry changes (and therefore potential problems) with anything that connects the frame/body to the axles. Driveshafts, control arms, trackbars, and brakelines are the most commonly discussed areas that may need to be adjusted or replaced to compensate for the change.

Body lifts move the body off the frame. That can cause it's own problems with anything that connects the body to the frame--your transmission and transfer shift sticks are suddenly too short, your steering linkages are not operating at the angle they were meant to, your bumpers (attached to the frame) don't touch the jeep body anymore and an unsightly gap appears inside your wheel wells where you can see the body no longer sits on the frame, etc.

Just like with suspension lifts, there are ways to compensate for the geometry changes caused by body lifts . . . but they don't always work perfectly and sometimes you have to compromise or you'll have other issues.

For these reasons, it is usually advised that suspension lifts are kept 3" and below, and body lifts are kept 1.25" and below. There are plenty of options that are bigger, but you have to be prepared to open your wallet to fix the issues you're likely to encounter if you use them.

If you must add a body lift, I'd keep it at 1". That means you'd have 3" of suspension lift and 1" of body lift, and that is plenty to run 35" tires. In fact, many would think that any more than that will make 35" tires look too small.

Edit: Here's a thread from another forum showing a number of JKUs with 4" of lift and 35" tires. Unless somebody is looking very carefully, 4" of suspension lift will look the same from the outside as 3" of suspension lift plus 1" of body lift. Note that many in the thread post pics of their 3.5" lift with 35s. Many folks just run a 2.5" lift for 35s.
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Old 04-25-2013, 01:30 PM   #12
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Stick around for a while and learn some more, before pulling the trigger. See what hundreds of others have done, and read their reviews and experiences. I would never do a body lift. A coil spacer- yes, though a 2.5" or 3" is all you need for 35s and stock fenders.

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