Front Suspension FAQ - Dodge Cummins Diesel Forum
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post #1 of 16 (permalink) Old 07-29-2019, 10:14 AM Thread Starter
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Front Suspension FAQ

This is a work in progress intended to gather up all the info on the front suspension and dump it in one spot. The goal is to answer any question that might come up for someone searching. Will be adding info on trucks that are stock or lifted




Starting a thread to consolidate all of the knowledge into one spot for the front suspension for 4WD trucks. This will include steering, ball joints, shocks, tracbar and control arms. The intent is to help anyone searching for info on steering issues, Death Wobble or any other front suspension issue to get info to be able to guide them in the right direction to resolve their problem.




Steering
There are 2 types of steering setups available for the 3rd gen truck, the 03-08 Y type of steering and the 08.5 and later. (you want the 08.5 & later steering!!!)
Y type (03-08)



T type (08.5 & up)



Both




Ball Joints

Carli



EMF




Danatrac






XRF : these pics indicate they are for the 2003-2008 ram







Steering Boxes
Two types of steering boxes are available for the 3rd gen Ram:

4 bolt: This can be identified by the 4 bolts that hold the top cover on. This box was the style that came with the truck starting back in 2003 and used thru 2013



6 bolt: This box is an upgraded box that can be installed. It is a beefier box that came in 2013-2018 (the input shaft looks wrong, pic is redhead box)





Control Arms
If it is worn, it can be a reason for a wandering truck as the axle will move with the worn bushings.
There are so many control arm options out there, tough to pick ones to mention... but

Thuren



Carli





Tracbar
The tracbar is responsible for centering the axle. If it is worn, it can be a reason for a wandering truck as the axle will shift left & right thru the worn bushings.

Synergy



(unknown manufacturer but an example of whats out there)





Death Wobble

Death Wobble explained

https://www.thurenfabrication.com/te...-in-depth.html


Not sure why they cant get the video edited better but here is a good video showing the problem as it happens



Sumo Springs

Fronts




Rears


These spirngs IMO will reduce the potential for ta DW event. I have hit an expansion joint doing 80 mph (Idaho) and took such a hit I was sure a DW event would have occured had these not been in place. Front shocks were weak, all other steering tight.


Alignment

Excellent writeup on alignment
https://www.thurenfabrication.com/te...-handling.html

Hub Conversions
Spyntec
https://www.solidaxle.com/productcar...&idcategory=26

Dynatrac
https://www.dynatrac.com/free-spin-k...dge-truck.html

EMS
http://emsoffroad.com/ems-offroad-hu...-08-drw-dodge/

02smokin and texasgreg like this.

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post #2 of 16 (permalink) Old 07-29-2019, 11:01 AM
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Nice! I would also add track bar bushings to this.

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post #3 of 16 (permalink) Old 07-29-2019, 11:21 AM Thread Starter
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My experience on DW...

I've had DW 3x on my truck...

one at a very low speed, control arms bushings were shot, swapped in new bushings and all was good. I ultimately went to a beefier control arm.

Another was without a swaybar & steering dampner. Had a heim joint steering kit on there and thought I could get away with out the sway and stabilizer. It was mentioned that the sway bar could be removed so I gave it a shot. The sterring stabilizer I had just not re-installed after doing some front end work (I dont recall what that was exactly)

The 3rd time I needed to adjust the front control arm bushings (adjustable type of setup with balistic joints) and swap the sway bar end links

The fix all for me was when I went back to stock with new oem style front end parts and added the Sumo Springs front and rear. They really seem to knock down any nasty vibes pretty quick.


My setup is all oem EXCEPT the tracbar which required a welded in bucket for the frame end. Everything else is OEM style. I have a 4 bolt Redhead steering gear box and the 08.5 up steering linkage. My truck still drives awesome with this setup with aging control arms (estimated 70~80k on them)

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #4 of 16 (permalink) Old 07-29-2019, 11:23 AM Thread Starter
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Quote:
Originally Posted by 02smokin View Post
Nice! I would also add track bar bushings to this.
Add a post with the links to everything you know about and any info on your experience... I will add links to the post & add the links for the joints in the post #1

The goal here is to answer as many questions for lurkers as possible so they can fix their issue and be back on the road.

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #5 of 16 (permalink) Old 07-29-2019, 11:26 AM
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Those Sumo's look impressive.
That's a lot of rear leafs. Custom?

'07 2500 SLT,5.9,Regcab.,G-56,4wd,Northstar TC800 popup 24/7. SBC OKHD. Dynatrac freespins and bj's. Synergy HD steering. Suspension mutt courtesy of Kore, Carli and Thuren.
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post #6 of 16 (permalink) Old 07-29-2019, 11:31 AM Thread Starter
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Quote:
Originally Posted by Danderson View Post
Those Sumo's look impressive.
That's a lot of rear leafs. Custom?
OEM rear leafs with the lorenz leaf packs that he sold way back when... notice no overload spring...

It would be awesome if Sumo made those springs for lifted trucks, I asked & they said no & no future plans to. The block you see on the rear is one I had made, just a plastic block to give the spring a boost downward to come closer to the axle. Right now my shocks are shot & I have a set of the Rancho RS9000's waiting to go back in. With the sumo's in place it still behaves decently on road, off road is a different story.

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #7 of 16 (permalink) Old 07-29-2019, 12:55 PM
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Great thread so far. I am looking to do some suspension upgrades so the more info we can get into this thread the better!

Maybe add links to other threads that had helpful information about the suspension on these trucks or even links to more videos that show the issues or how to do the work on upgrading?

For someone fairly new to these trucks it seems pretty daunting how much time/money it will take to get the suspension in a good place and it is hard to know where to start.
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post #8 of 16 (permalink) Old 07-29-2019, 01:06 PM Thread Starter
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The best setup I had was the thuren HD steering kit with hardened steel inserts into the knuckles... Extreme Articulation (EA) control arms with the Balistic fab joints on both ends and the EA tracbar... Carli ball joints... King shocks... Rock solid setup

Now, all stock except tracbar & shocks.

Feel free to post links to videos here and add info. I will push it to the top as long as I can (there is a limit for pics)

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #9 of 16 (permalink) Old 08-06-2019, 12:24 AM
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I have 342k miles now. Broke a tie rod end at 170k and lived to talk about it.

Current ball joints and tie rods have 172k on them so its time to do it all again.

Is anyone running the Synergy Tie Rods from Genos ??

Where should I get tie rods from??


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'07 - 2500 Quad Cab - 5.9L - 4x4 - Auto - 285/70-17 BFGs - B&W Hitch - 3:73 Limited Slip - Laramie - Steering Box Brace - 08.5 Steering - GDP MK-2 - EGT/Boost Gages - HellWig Big Wig Sway Bar - Stock Tune - 340k miles - Patriot Blue
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post #10 of 16 (permalink) Old 08-06-2019, 09:22 AM Thread Starter
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i have a napa setup up front, no experience with anything else that is not thuren... someone should jump in who has a synergy setup

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #11 of 16 (permalink) Old 08-06-2019, 09:08 PM
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Thanks! I was trying to figure out if I had the upgraded steering in my recently purchased 06 and now I can see I do.

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post #12 of 16 (permalink) Old 08-14-2019, 09:36 PM Thread Starter
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bump, added hub conversions

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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