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Old 04-13-2016, 10:23 PM
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Is my axle smiling? Alignment help needed

Guys, I need some knowledgeable eyes on this. After installing a RK 2.5" Flex lift on my new-to-me 2014 JKURX (with 4600 miles), I took it to a well known local 4x4 shop for an alignment. Here's the printout:



They said my front axle is "smiling", probably from a sharp impact like a pothole, etc. They didn't mention bent C's, and I forgot to ask.

I have an Artec truss still in the box that I was planning to install after the lift, but now I'm wondering if I should, and have questions:

1) Is the -0.7/-0.8 camber out of real world spec, from your experience?
2) Is it worth a second opinion?
3) If it is bent this amount, could this housing be straightened as part of the Artec install? I was going to weld it on myself, but would likely have a driveline shop do it now.
4) What am I not asking that I should be?

I know the standard answer is to upgrade to a ProRock, but this is not intended to be a hard wheeling rig. I have a crawler for that, but will take this one on lots of backroads and moderate trails, so it needs to be solid, but not Hammer-worthy.

Talk to me...

Mark

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Old 04-13-2016, 10:48 PM   #2
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Camber looks pretty normal for these. I've seen them (on a regular basis) anywhere from .2 to 1.4. Yours is fairly normal. Your toe was way out...they got it in but personally I'd like to see it sitting around .10.

Have no idea why they'd tell you your axle is smiling...sounds like they were just talkin to talk. Which shop is it? I used to live in Parker...know the area pretty well.

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Old 04-14-2016, 04:00 AM
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Thanks man. So you see them out of "spec" a good bit more than mine under normal circumstances? Is 0.6 the actual spec?

Thanks for the tip on toe. That's easy for me to do myself.

I PM you the shop name. I don't quite want to throw them under the bus yet.

Mark
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Old 04-14-2016, 08:15 AM   #4
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Quote:
Originally Posted by ScaldedDog View Post
Thanks man. So you see them out of "spec" a good bit more than mine under normal circumstances? Is 0.6 the actual spec?

Thanks for the tip on toe. That's easy for me to do myself.

I PM you the shop name. I don't quite want to throw them under the bus yet.

Mark
Yeah the C's aren't cast with precision in mind lol. Mine are .6 and 1.2 I think. And that's factory lol...before I started really driving it, let alone wheeling it. Your camber is decent.
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Old 04-14-2016, 08:17 AM   #5
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I agree with all here, looks normal.

With my JK, 1 side was reading 1.0 turned out the ball joints were worn.
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Old 04-14-2016, 08:28 AM   #6
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Everything seems fine, if you have adjustables on the front lower control arms, I would dial it back maybe a hair to get it near 4.5 driver and 4.7 passenger. Also, get the toe closer to 0.10 both sides...
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Old 04-14-2016, 09:24 PM
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Guys, this has been really helpful. Thanks!

Mark
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Old 04-17-2016, 09:06 AM
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Quote:
Originally Posted by dvn4life1972 View Post
Your toe was way out...they got it in but personally I'd like to see it sitting around .10.
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Originally Posted by sined240 View Post
Also, get the toe closer to 0.10 both sides...
I measured the toe with a tape measure and came up with 1/8" toed in (with the stock 32" tires). That seems about right to me but, if I understand correctly, you're both thinking I need about half that, right? If so, is adjusting this as simple as loosening the collar on the driver's side, turning the adjuster (to lengthen the tie rod in my case), and recentering the steering wheel?

Mark
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Old 04-17-2016, 10:06 AM   #9
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Yes, your tie rod should lengthen, thus the front part of the wheel should start to widen out a bit.
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Old 04-17-2016, 11:05 AM
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Ok. So what are the handling effects off too much toe in on one of these things? I understand the effect on tire wear, but less so the effects on driveability.

Mark
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Old 04-17-2016, 11:45 AM   #11
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Ok. So what are the handling effects off too much toe in on one of these things? I understand the effect on tire wear, but less so the effects on driveability.

Mark
Uneven tire wear and resistance to turning away from center, thus bad handling as the tire wears.

Too much toe out makes the Jeep wander and not stay centered and track true.

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