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Roadmaster Exact Center

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J&JD

RVF Supporter
Joined
Nov 3, 2019
Messages
2,732
Location
Fremont, California
RV Year
2017
RV Make
Newmar
RV Model
Dutch Star 4018
RV Length
40’
Chassis
Freightliner
Engine
Cummins ISL450
TOW/TOAD
Jeep Wrangler Sahara
Fulltimer
No
This would definitely work. I just don't know how it would feel when off roading.
 
That looks pretty interesting
 
Never experienced "death wobble" on any newer (unmodified) Jeeps. I'm looking into it just to firm up the Jeep steering. Backing up with 4 down, that would be a plus.
 
Here's a list of part numbers:
The units will be available on the first. Brackets are set for mid Jan ship dates. Roadmaster is taking orders.
MakeModelGenerationYear StartYear EndExact Center BracketExact Center Steering Control Unit
JeepWranglerTJ19972006ECB4481200
JeepWranglerLJ20042006ECB4481200
JeepWranglerJK20072018ECB5481200
JeepWranglerJL20182022ECB2481200
JeepGladiatorJT20202022ECB2481200
 
Death Wobble was experienced by Wrangler Owners in the New body Style which was introduced in 2018. Jeep has some new front-end parts to fix it and believe there was a warranty recall on it. Jeep Wrangler Forums has a long thread on it. www.jlwranglerforums.com - do search on death wobble. Not sure how this stabilizer will allow you to back up with jeep/vehicle period, if I read correctly. The tow bars want to spread apart, which will/can break parts, I would never do it. I have had to unhook several times when having to turn around in old MH. The 55-degree wheel cut on the new ones almost always gets me turned around without that problem.
 
Hmmm…
Not sure how this is any different than the multitude of Steering Stabilizers that have been used for years.
If I towed with a Jeep, a stabilizer would be the first things I’d install; if for nothing more than towing.

This reminds me that I still haven’t done my backup drill with my wife in our Raptor. I want to see how difficult it would be for her to hold the steering wheel while I back up; with and without motor running for power steering.
 
Death Wobble was experienced by Wrangler Owners in the New body Style which was introduced in 2018. Jeep has some new front-end parts to fix it and believe there was a warranty recall on it. Jeep Wrangler Forums has a long thread on it. www.jlwranglerforums.com - do search on death wobble. Not sure how this stabilizer will allow you to back up with jeep/vehicle period, if I read correctly. The tow bars want to spread apart, which will/can break parts, I would never do it. I have had to unhook several times when having to turn around in old MH. The 55-degree wheel cut on the new ones almost always gets me turned around without that problem.
I'm very familiar with the phenomenon called "death wobble" and visit and post on the Jeep forums frequently. Actually, the forces backing up are probably the same as forces encountered during braking while being towed, and are multiplied without toad brakes. (as I know some who don't use a braking system on their toad) The JL platform has a "wandering" problem that was addressed by replacing the aluminum steering box on early models (problem thought to be different expansion characteristics) with the steel box on later models. (didn't really eliminate the problem) This Exact Center should help the wandering.
Death wobble is a problem that USUALLY happens when altering the suspension (like a lift) without correcting the caster with longer lower control arms. There are MANY other factors that can cause it, but I would think there are very few new jeeps roll off the line with death wobble.
 
Last edited:
Any jeep that has death wobble should be fixed. A steering stabilizer does not resolve the problem, only masks the problem.

Death wobble has 7 known causes. All of them are items that should be fixed, before more damage is done.

I routinely take my stabilizers off and drive, including dips and ruts, to make sure no death wobble exists.

That being said, unlike a steering stabilizer, this unit has a feature for return to center. That is not a normal feature of a stabilizer.

I will probably end up ordering this to try it out. I can see a lot of reasons why it would create problems when offroading, but equally see where it might help. I am running the stock Steel (upgraded) power steering pump with 37" tires. I am curious if this will help with the wheel return at slow speeds, where as right now I am working my pump very hard.
 
Death Wobble was experienced by Wrangler Owners in the New body Style which was introduced in 2018. Jeep has some new front-end parts to fix it and believe there was a warranty recall on it. Jeep Wrangler Forums has a long thread on it. www.jlwranglerforums.com - do search on death wobble. Not sure how this stabilizer will allow you to back up with jeep/vehicle period, if I read correctly. The tow bars want to spread apart, which will/can break parts, I would never do it. I have had to unhook several times when having to turn around in old MH. The 55-degree wheel cut on the new ones almost always gets me turned around without that problem.
Old-RVer
Watch the Death Wobble on my 2018 Rubicon 2dr with 12000 miles with out Exact Center and with Exact Center
The stabilizer (base model) has a 75 hold at center. That hold will keep tires centered when backing up, it will cause tires to scrub on gravel. I have had many RVs since I started in 1976 with a Class C Coachmen. Back then I did not tow much later in 1998 I bought my first diesel pusher, since I have had many. I find the need to back up is usually when I pass the DEF pump or I miss a driveway turn. If you have a Wrangler with Exact Center and you put a spotter outside to watch your front wheels you should be able to do exactly what is done in the attached Roadmaster video. If you had a front tire hit a hole or a rock while backing the wheel might caster, but if your spotter stopped you it would be easy to do it again. Straight is fairly easy, around curves and making three point turns a tire camera or spotter is the only safe way to do this. We have done this a lot with Wranglers. In October I did it several times with my new 2021 Bronco. Even without the steering stabilizer the Bronco will back OK, even around slight curves. Not as good as a Wrangler with Exact Center, but with the very stiff Bronco steering with engine off it can be backed with a spotter. Backing is at end of first video. at 56 seconds animation shows how centering works and 1:08 you can see backing around a curve .
Roadmaster Inc. - Tow Bars, Braking Systems & RV Accessories
 
Ya’ll let me know when the F150 versions are available (if ever). I’d definitely pay to be able to go backwards while towing, even just a few feet, without worry of something going snap.
 
Ya’ll let me know when the F150 versions are available (if ever). I’d definitely pay to be able to go backwards while towing, even just a few feet, without worry of something going snap.
MapNerd
Eric or Josh at Roadmaster could make a mount if they had a truck to work with. He just needs an attachment point on tie rod or drag link and a clear shot to the frame. It is not Rocket Science. We did F350 and F450 and Ram 5500 all 4wd. those three take a longer unit Roadmaster needs to build. I think F-150 has the same travel as E-350 and E-450 and Wrangler. Roadmaster has a few hundred employees so some one is sure to have a F-150. Josh has 100 MM units 5.93" of total travel, He has stock I think in February for 350 and up that need 150MM. Two wheel drive and independent front suspensions will take a bit of learning, but Roadmaster has plans for both for their towbar customers.
here is a link to more backing video. Exact Center Backing 093021 R2 music.mp4
there is a lot of backing here.
Here is more from Roadmaster explaining how the device works. It is very simple. Put your fist together and push, then have a grand kid or some one pull from each side. The Exact Center is your fists pushing hard. On big RV's we had over 350 pounds pressure, that is like having two line backers holding your steering. I went smaller and now have a Dynamax Isatta 5 28ss explorer 4WD. On it I am now at 220 lbs and I will go higher in the spring. On the big units it is hard to get too much pressure because the power steering is so large. On a Wrangler you could get too a heavy feel. Maybe at 150 lbs on your F-150 steering might be stiffer than you would like. On the big rigs (big light boxes) more pressure when right will make the wind go away. On a 39 foot Freightliner Super C it took 330 lbs and with that I could drive through just about anything. My 2018 Rubicon at 75 lbs was just right. We towed that to Roadmaster in Oregon. My son has the JK you will see behind the Class C backing he likes 75 lbs. Roadmaster will be able to raise the pressure real soon. Their tools are almost ready.
 
Just ordered one. I won't be towing till the Tampa show, but I'll let you know impressions when I get it installed. Not shipping yet, but should be within a week or so.
 
The claim is that you will be able to back up with your Jeep toad hooked up 4 wheels down. That would be great if true. Looking forward to seeing reviews.

https://www.roadmasterinc.com/produ...nc.com/products/rss/exactcenter.php [/QUOTE]

MapNerd
Eric or Josh at Roadmaster could make a mount if they had a truck to work with. He just needs an attachment point on tie rod or drag link and a clear shot to the frame. It is not Rocket Science. We did F350 and F450 and Ram 5500 all 4wd. those three take a longer unit Roadmaster needs to build. I think F-150 has the same travel as E-350 and E-450 and Wrangler. Roadmaster has a few hundred employees so some one is sure to have a F-150. Josh has 100 MM units 5.93" of total travel, He has stock I think in February for 350 and up that need 150MM. Two wheel drive and independent front suspensions will take a bit of learning, but Roadmaster has plans for both for their towbar customers.
here is a link to more backing video. Exact Center Backing 093021 R2 music.mp4
there is a lot of backing here.
Here is more from Roadmaster explaining how the device works. It is very simple. Put your fist together and push, then have a grand kid or some one pull from each side. The Exact Center is your fists pushing hard. On big RV's we had over 350 pounds pressure, that is like having two line backers holding your steering. I went smaller and now have a Dynamax Isatta 5 28ss explorer 4WD. On it I am now at 220 lbs and I will go higher in the spring. On the big units it is hard to get too much pressure because the power steering is so large. On a Wrangler you could get too a heavy feel. Maybe at 150 lbs on your F-150 steering might be stiffer than you would like. On the big rigs (big light boxes) more pressure when right will make the wind go away. On a 39 foot Freightliner Super C it took 330 lbs and with that I could drive through just about anything. My 2018 Rubicon at 75 lbs was just right. We towed that to Roadmaster in Oregon. My son has the JK you will see behind the Class C backing he likes 75 lbs. Roadmaster will be able to raise the pressure real soon. Their tools are almost ready.
1640908424547.jpeg

I think this was on a Ford HD. ?? is that a twin I-beam? is Twin I beam a real thing any more? If there is good space it is fairly easy to find a place to mount, you just need a tie rod, drag link or anything that moves with steering and a clear path to a fixed member. This might be a E-450 class C RV. I am not sure what it is, but it does show mounting is flexible
 

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