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Old 04-29-2015, 10:06 AM   #15
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Join Date: Mar 2015
Location: Ellensburg, Wa. 98926
Posts: 27
The ass end

Originally Posted by Doggy Daddy View Post
In order of precedence, I would begin with the Safe T Plus steering stabilizer. It come with a life time warrantee and you can do the install yourself. Safe-T-Plus - The Steering Control Specialists | Helping motorists' vehicles steer safer, less, and with peace of mind.

2nd, RoadMaster Front Anti-Sway Bar SuperSteer Rear Trac Bar for Ford E450 Chassis
3rd, Super Steer Rear Anti-Sway Bar Roadmaster Rear Anti-Sway Bar, Ford E450 Van Chassis, All Years
4th, Koni FSD Hydraulic Shocks for comfort http://www.konirv.com/
5th, Sumo Springs to control and further sway problems. SuperSprings Self-Adjusting Suspension Stabilizers
6th, Super Steer Rear Trac Bar to eliminate the tail wagging the dog.

You did not mention the Born Dates and brand of tires your running.
Michelin XRV are popular and give a nice ride. Truck tires give a hard ride.

If you haven't already, weigh each wheel individually so you can ensure your load is balanced and that you're not over weight. Also check tire pressure regularly for safety.

If your rear leaf springs are weak or ass end is tail heavy, you can beef up the rear springs. SuperSpring Ford

The parts I recommend are top of the line. They are extra beefy and will last. Quality has its' cost. Yes, you can find cheaper in price and quality.
The Rolling Cabin: 2003 29' HR Atlantis, E450 SuperDuty.
At 72,000 miles:
Our unit had major sway issues during cornering. I tend to agree with Big Daddy in regards to the ass end.
After a free front end inspection at Less Schwab and a determination no parts needed replacement and alignment was within specifications for a motorhome I had airbags installed on the rear. Cost L&M $300. I noticed an improvement in cornering and straight-line stability. Plus it brought the rear bumper up about four inches at 80PSI.
All six tires have less than 5k miles on them. I did notice a slight improvement when the fronts were replaced. Probably because they cost $400 m&b, (sarcastic smile).
If I could get the exact results with rear replacement springs that I have had with the airbags I would go that route. But I doubt that I would get the lift.
I plan on replacing all the shocks (finally) in the next few weeks. I have installing airbags in the front coils on my mind also. I don't have to have them so if they fail I wouldn't be inoperable. But I am sure 40PSI in them would provide added straight-line stability.

Good luck.

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Old 05-01-2015, 12:49 PM   #16
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Posts: 158
Agree on the alignment first. That helped my E450 a lot

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Old 05-02-2015, 05:46 PM   #17
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Join Date: Jul 2013
Posts: 51
I just had the front end aligned on my Thor 31L. HUGE improvement on drive ability right off the bat. Great way to spend $180.00!

My Hellwig swaybar and Bilstein shocks arrived today. I'm expecting those to finish my investments on this one. Now, I'm off for a better brand television!
Darren, Donna & The Wieners
Four Winds 31L
Thor Motor Coach
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Old 05-02-2015, 06:31 PM   #18
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Location: Albuquerque, NM
Posts: 85
Originally Posted by Harvard View Post
Alignment with +caster should be your starting point. IMO. E350/E450 Handling Problems are caused by too little + CASTER
Exactly, that's what I started out with and ended with. Vastly improved my coach's handling. I may add some Hellwig stabilizer bars at a later date but I see no need to at this time. Handles great now and it's a 31 footer.
2008 Dutchmen 31F, E450, 6.8 V10, Blue Ox, ReadyBrake - 2013 Honda Fit Toad
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Old 05-03-2015, 10:19 AM   #19
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I second Hosenose…. Had mine aligned with more +caster last Friday. No need to do anything else for now.
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Old 05-03-2015, 11:13 AM   #20
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X2 Harvard and others. Get alignment and have caster set around +5.1 or more. That should do it, worked for me.

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