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Old 10-16-2011, 01:28 PM   #1
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3" lift & control arms

I just got a 3" lift kit from Full Traction Suspension for my 2012 JKU Sahara. I thought I had everything I needed, but I've been reading about the benefits of adjustable upper / lower control arms, which my kit does not have.

I bought the 3" premium plus kit (FTS7154), as well as a JE Reel front ds to avoid the driveshaft / exhaust crossover issue.

How important is it to get some adjustable control arms? I know they're used to increase the caster angle on my front axle...Is my Jeep gonna drive like crap on the road without them?

Full Traction does have heavy duty adjustable control arms for the 2012. I'm just unsure as to whether or not it would be a necessary purchase.

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Old 10-16-2011, 02:24 PM   #2
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from what ive read (im a new jeeper) you need to install your lift then drive it around a while and see if you are happy / not happy with it. if you want it to behave differently then you need to look at control arms. if you are happy with it dont worry about it.

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Old 10-16-2011, 03:27 PM   #3
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Originally Posted by damon.l View Post
from what ive read (im a new jeeper) you need to install your lift then drive it around a while and see if you are happy / not happy with it. if you want it to behave differently then you need to look at control arms. if you are happy with it dont worry about it.

Might be a moot point, anyway. Somebody told me the kit I've got does come with adjustable control arms, though it's not specified on the website.

I'm out of town right now, rooted through the box at home last night to do a quick inventory, but didn't haul everything out and inspect it cuz the box was full of peanuts.

I'll have to check it more thoroughly when I get home.

Thanks for the reply.
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Old 10-16-2011, 03:30 PM   #4
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Quote:
Originally Posted by kbwwolf View Post
I just got a 3" lift kit from Full Traction Suspension for my 2012 JKU Sahara. I thought I had everything I needed, but I've been reading about the benefits of adjustable upper / lower control arms, which my kit does not have.

I bought the 3" premium plus kit (FTS7154), as well as a JE Reel front ds to avoid the driveshaft / exhaust crossover issue.

How important is it to get some adjustable control arms? I know they're used to increase the caster angle on my front axle...Is my Jeep gonna drive like crap on the road without them?

Full Traction does have heavy duty adjustable control arms for the 2012. I'm just unsure as to whether or not it would be a necessary purchase.
You do have heavy duty adjustable control arms on that kit.

The premium plus 7154 comes with front and rear Upper adjustable control arms to adjust your pinion and caster angles. Along with heavy duty adjustable trackbars.
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Old 10-16-2011, 06:01 PM   #5
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Originally Posted by Full-Traction Suspension View Post
You do have heavy duty adjustable control arms on that kit.

The premium plus 7154 comes with front and rear Upper adjustable control arms to adjust your pinion and caster angles. Along with heavy duty adjustable trackbars.

Thank you sir. Think I just got worked up over nothing. Like I said, it's been sitting in my garage for a few days now, and all I've gotten to do w/it is a quick peek and count to make sure everything's there.

Why couldn't I be laid off like everybody else in this country?

Just kidding.
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Old 10-16-2011, 08:42 PM   #6
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In a nut shell the front lower are the most critical. If you have a 4 door the rear can wait as the drive shaft is longer thus the angle is is less effected vs a 2 door. If you have a 2 door at the least get front lower and rear uppers

Get a angle finger, fine them at lowes by the survey stuff.
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Old 10-17-2011, 04:11 PM   #7
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Originally Posted by Full-Traction Suspension View Post
You do have heavy duty adjustable control arms on that kit.

The premium plus 7154 comes with front and rear Upper adjustable control arms to adjust your pinion and caster angles. Along with heavy duty adjustable trackbars.

Oops, my bad. Just got home and checked everything...the kit looks awesome!

Been on the road too long, and have to leave for St. Louis again Wednesday...

Thanks, Chris.
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Old 10-17-2011, 10:01 PM   #8
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I bought the 3" premium plus kit (FTS7154), as well as a JE Reel front ds to avoid the driveshaft / exhaust crossover issue.
If the driveshaft still looks like it's going to hit on full droop, take a look at the Teraflex exhaust spacers. They push the cross over pipe back a couple inches and are supposed to allow about another 3 inches of droop before the stock driveshaft hits the pipe. You may not have any problems with an aftermarket drive shaft, but it's something to think about if it looks close. It's a cheaper alternative to the afe y pipe. ($60 vs $290)
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Old 10-17-2011, 10:20 PM   #9
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If the driveshaft still looks like it's going to hit on full droop, take a look at the Teraflex exhaust spacers. They push the cross over pipe back a couple inches and are supposed to allow about another 3 inches of droop before the stock driveshaft hits the pipe. You may not have any problems with an aftermarket drive shaft, but it's something to think about if it looks close. It's a cheaper alternative to the afe y pipe. ($60 vs $290)
I've seen those. There's a You Tube video going around. At the end of the video you'll see the angle of the front ds...it's pretty torqued.

It's also not the sturdiest of Jeep OE parts, and needed to be replaced with the lift I wanted.

DEFINITELY didn't want to mess w/an aftermarket y-pipe...Chrysler built the Six-Flags-rollercoaster loop into the stock pipe for a reason.
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Old 10-19-2011, 04:02 PM   #10
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Originally Posted by Denny2565
If the driveshaft still looks like it's going to hit on full droop, take a look at the Teraflex exhaust spacers. They push the cross over pipe back a couple inches and are supposed to allow about another 3 inches of droop before the stock driveshaft hits the pipe. You may not have any problems with an aftermarket drive shaft, but it's something to think about if it looks close. It's a cheaper alternative to the afe y pipe. ($60 vs $290)
He will not need to change anything. We test these kits before shipping them out. It
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Old 10-19-2011, 04:35 PM   #11
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He will not need to change anything. We test these kits before shipping them out. It
The problem with the fatal angle point is that it can come over time but is not immediately apparent after install. How long do you run the 3" kit and wheel it before making a judgment?
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Old 10-19-2011, 04:59 PM   #12
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The problem with the fatal angle point is that it can come over time but is not immediately apparent after install. How long do you run the 3" kit and wheel it before making a judgment?

I bought a JE Reel driveshaft with mine, so it won't be an issue. Also, I won't have to worry about the ds versus exhaust pipe issues the 2012's have when adding longer shocks.
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Old 10-19-2011, 07:41 PM   #13
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I bought a JE Reel driveshaft with mine, so it won't be an issue. Also, I won't have to worry about the ds versus exhaust pipe issues the 2012's have when adding longer shocks.
My question was directed to Full Traction Suspension. They stated they "test their kits" and you shouldn't have a problem.
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Old 10-19-2011, 09:13 PM   #14
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I too am curious why this is the only 3 inch lift that has no issues (claimed) with the exhaust cross over and driveshaft clearance when every other lift out there seems to have a problem on the 2012s.
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Old 10-20-2011, 11:16 AM   #15
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I too am curious why this is the only 3 inch lift that has no issues (claimed) with the exhaust cross over and driveshaft clearance when every other lift out there seems to have a problem on the 2012s.

We require changing out the front driveshaft to a 1310 JE Reel or any aftermarket shaft. The smaller diameter tubing and the shock length of 27.5" clears the exhaust crossover during full flex.

If the other lifts are running a longer shock than 27.5" or does not require you to change out the front driveshaft. Thats your answer.

Its cheaper to cut, re-route the exhaust than to replace the driveshaft. Making your lift kit purchase cheaper. However, the factory driveshaft operating angle is maxed out at full flex.

We are not going to change what Jeep engineers designed in the exhaust system.

I'll also add the 27.5" long shock is the same shock length we use on the 2007-2011 JK's. 2012 owners will not be losing flex.

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