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Old 04-11-2013, 10:55 AM   #1
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2.5" lift drifts right

2012 jeep jku with 2.5" lift pulls right. I've read a million different things on this. I waited about a month or maybe a little more to get alignment. This caused cupping on my 32" BFG M/T tires. I had them rotated. They are now cupped all over. Will the drifting to the right issue be resolved when I put brand new 35"s on my Jeep? Any suggestions to make sure I don't cup brand new tires?

I want to make sure I get this resolved as not to ruin brand new tires. It's pretty damn annoying knowing that if I lift my hand to scratch my head, and the wind blows, then I'll be in the next lane!!

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Old 04-11-2013, 11:02 AM   #2
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I should add that it was just a budget lift using "pucks" and shock extender brackets. Would longer shocks improve my ride quality to get back to factory smooth vs the jarring of the ride now?

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Old 04-11-2013, 11:55 AM   #3
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Spacer lifts are fine for small increases. At 2.5 inches you have pushed the limits of their abilities.

If you want to get back to factory ride quality you'll need to do more than just shocks. The puck lift has pushed your axles sideways out of alignment. This is usually addressed with either track bar brackets, or adjustable track bars.

You have also changed the angle of the axles as the pucks cause the axle to rotate from their stock position. The normal fix for this is either adjustable control arms, or new control arm brackets, like those offered by AEV.

You may also be missing brake line extensions and extended sway bar links.

I'd suggest you consider scrapping your puck lift and picking up a more complete coil spring lift from one of the major suppliers that include the necessary components.

Mike
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Old 04-11-2013, 12:05 PM   #4
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Old 04-11-2013, 12:18 PM   #5
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I agree with both of you, but this will not fly with the wife. Plus, me and some buddies have invested about 5 hours in this lift. So, I guess I will have to go with the new control arm brackets. I'm totally going to sound like a poser here, but I don't off-road at all. I've done some mudding but I'm not going to do that anymore because my wife will flip if I break something. What's the least expensive way to get rid of the drift? I'm assuming the brackets, right?

also, thank you for your replies.
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Old 04-11-2013, 12:36 PM   #6
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Rough Country makes an adjustable front track bar arm for lifts of 2.5"-4" and sells for $110. Also, they have a rear track bar bracket that will move the rear .25" to recenter for $30. do you guys think this will help?
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Old 04-11-2013, 12:53 PM   #7
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My new 2.5 makes me drift left, let's put them both together and the jeep will go straight. Lol
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Old 04-11-2013, 01:15 PM   #8
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I noticed that after my 2.5 TF coil lift, the Jeep seemed to be considerably more sensitive to road slope/crown.

I spent a few days trying to troubleshoot the pulling before I realized that's all it was.
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Old 04-11-2013, 02:26 PM   #9
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There is nothing wrong with the spacer lift. A proper/complete 2.5" spacer lift or BB (example TeraFlex) will have all the same parts as Jag's 2.5" TF spring lift. Ride quality will be the same as stock, you have the same springs and shocks.. That being said the lift does not affect wheel alignment what so ever. By your description of tire wear you do need an alignment for your Toe-in but this again has nothing to do with the lift. The only alignment factor affected by the lift is castor which is minor and only slightly adjustable with adjustable control arms not required with only 2.5" lift.
Have your front end aligned and problem solved. Pulling may also be a indication that a front wheel bearing is going out.
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Old 04-11-2013, 03:12 PM   #10
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My jk drifted from the factory.Installed 2.5" TF spring lift and shop did an alignment. It tracks straight now. Alignment is very important in the way a Jeep feels and drives at speed on the highway.Shocks also make a huge difference in the way they track over bumpy roads.
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Old 04-11-2013, 03:14 PM   #11
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Quote:
Originally Posted by grant.unt View Post
Rough Country makes an adjustable front track bar arm for lifts of 2.5"-4" and sells for $110. Also, they have a rear track bar bracket that will move the rear .25" to recenter for $30. do you guys think this will help?
Grant,
Yes this should help. New shocks will also help. Just to be clear, have you already had an alignment done?

The caster angle is adjusted by using either adjustable control arms, the AEV type brackets, or cam bolts. The cam bolts are the cheapest option. If you have 2.5 inches of lift, I'd recommend the AEV brackets. There is a measurement procedure on AEV's website to verify that you have enough lift to use their brackets.

Part of the reason the Jeep feels a little more darty, is that by rotating the axle, you also affect the Camber angle. The Camber angle on the front axle is fixed and is not adjustable. But by rotating the axle you have changed the camber. The AEV brackets will help with this as well.

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http://www.wranglerforum.com/f202/re...ho-627602.html
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Old 04-11-2013, 03:39 PM   #12
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Beat me to it, all that the shop can align with th jk is the toe, and center steering wheel, the rest is online possible with adjustable controlled arms. Track bar etc

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