Thuren alignment specs - Dodge Cummins Diesel Forum
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post #1 of 22 (permalink) Old 05-11-2019, 02:12 PM Thread Starter
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Thuren alignment specs

Hi all, Iím getting an alignment soon after new tires and I am looking for input regarding the Thuren specs compared to factory specs. Has anybody had any issues with steering or tire wear with the Thuren alignment settings? Any input would be greatly appreciated!


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post #2 of 22 (permalink) Old 05-11-2019, 02:26 PM
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Had my drag link replaced today. Had truck aligned with the Thuren Fab specs. Truck drives better. Before it would pull pretty hard to the right now it doesn’t.

'14 2500 Tradesman 4WD, 68RFE, all stock.
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post #3 of 22 (permalink) Old 05-11-2019, 05:56 PM
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I have set my truck to these specs and havenít had much of an issue at all. However, it is possible to get a little wander out of it at higher speeds the closer you get to zero toe in. I think I remember the thuren toe in is pretty minimal. Tire wear is better though.


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post #4 of 22 (permalink) Old 05-12-2019, 11:25 AM
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I had mine aligned to their specs. I was eating tires before the alignment, tire wear is much better now and I haven't noticed any adverse driving behavior.

2014 2500 Laramie 4x4 CC Long bed black on black, 3.42 gears, 68rfe. Window visors tri-fold bed cover, EFI live CSP4 from HPP Tuning.

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post #5 of 22 (permalink) Old 05-12-2019, 09:44 PM
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Not sure why the factory has there alignment specs were they do because thuren specs are way better for your tires and ride

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post #6 of 22 (permalink) Old 05-12-2019, 10:00 PM Thread Starter
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Thank you all, the stock alignment hasnít caused excessive wear on the 20Ē Firestoneís. 33.5k now with probably 10k left. Got some serious trailering planned this year so theyíre done. New tires and Thuren specs are in the near future.

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post #7 of 22 (permalink) Old 05-13-2019, 03:04 PM
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Thuren specs are nothing new or special. There's an old guy I know that does only trucks, , and he always preached zero toe for decades.

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post #8 of 22 (permalink) Old 05-13-2019, 03:42 PM
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Quote:
Originally Posted by 7492 View Post
Thuren specs are nothing new or special. There's an old guy I know that does only trucks, , and he always preached zero toe for decades.
Understood. Just wanted to say that the driving experience is much better now. A lot less effort to steer the truck.

'14 2500 Tradesman 4WD, 68RFE, all stock.
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post #9 of 22 (permalink) Old 05-13-2019, 03:48 PM
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I recently went through this on an older 3rd Generation truck trying to get rid of some wander in the steering.
The shop wasn't crazy about the Thuren spec on the Total Toe being so close to Zero claiming that the front will be closer to zero as it travels down the road. When the truck came back it had a total toe of 0.22. I drove the truck for a week. While it did calm down a bit of the wander the steering felt a bit odd. There was one other time a shop toe'd the steering in like this before and of course the tires were wearing prematurely.
Nevertheless I took the truck back after a week and he agreed to dial the spec in closer to zero. If I recall the total toe ended up being 0.02. There is still wander in the steering so I will likely start saving for a Redhead steering box. The rest of the front end is now filled with newer high quality parts.

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post #10 of 22 (permalink) Old 05-13-2019, 03:57 PM
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Factory specs are the way they are for higher speeds and stability. The more you toe out the more wander you could experience. Not saying you will experience that but it is possible. The toe in from factory is normally enough to wear your front tires prematurely and I have experienced this first hand at 31k. Other issues like drag link issues, tire rod end wear, ball joints can cause this to speed wear up as well. I rotated my tires every 3500 miles religiously. Your wear angles are going to be toe and camber. Caster will effect steering wheel return and driveability but will not wear your tires out.


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post #11 of 22 (permalink) Old 05-16-2019, 12:50 PM
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After I installed Thuren suspension my steerinig wheel was off-center about 100 degrees to the right. Had it checked out at the dealership for alignment while it was in for something else and everything was perfect. They just removed and re-attached the steering wheel saying that it sometimes happens with suspension and had no idea why. 45k miles into new tires + suspension with perfect wear and half tread life remaining.

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post #12 of 22 (permalink) Old 05-16-2019, 02:16 PM
 
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You don't have to remove the steering wheel to center it (this could actually cause you to lose some steering throw in one direction). Just adjust your drag link. Hit up our tech section for info on alignment specs, tire wheel fitment, track bar adjustment how-to, ball joint installation video, and other tech tips. We are trying to add to the library on a regular basis, and we would love to hear your requests for articles and videos.
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Last edited by Rhinopkc; 05-16-2019 at 02:35 PM.
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