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06-25-2016, 10:56 AM
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#1
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Member
Join Date: Jun 2016
Location: Sarasota
Posts: 49
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What are Sumo's and why should I get them?
I keep seeing people referencing adding "Sumo's". What are they, what do they do, why should I get them and what do they cost with installation?
EDIT - I know my ordered RV has a Hellwig sway bar whatever that is.
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06-25-2016, 11:06 AM
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#2
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Senior Member
Join Date: Jun 2011
Location: Big brown desert
Posts: 3,003
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In a nutshell, they are helper springs. They help bring the unit more up to level if you have heavy load. In a MH it would help the ride from being "wallowy" I think. Fairly easy to install the the people there are fantastic!
2014 Evo 2850 "Woodstock"
2011 Toyota Tundra "Clifford"
__________________
2014 Stealth Evo 2850- "Woodstock"
2011 Toyota Tundra Rock Crawler TRD 5.7- "Clifford"
2013 Honda Accord Coupe V6 w/Track Pack- "Julia"
Just glad to get away 
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06-26-2016, 10:11 AM
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#3
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Senior Member
Join Date: Jul 2015
Location: Wenatchee Wa
Posts: 202
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Your mbs has a great ride already but the sumo springs make it even better. They keep the frame and axels in constant contact so that any bump in the road will be absorbed by the springs. I think they made a huge diff. Check out the suspension connection.give them a call great people to deal with. I have also replaced my factory shocks with bielstin shocks factory shocks reave a lot to be desired.
Sent from my iPad using Forest River Forums
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06-26-2016, 03:27 PM
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#4
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Senior Member
Join Date: Mar 2013
Location: Minnesota
Posts: 286
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I have the sumos in the rear. Easy install. Some difference but I wouldn't call it huge.
__________________
2016 Sunseeker MBS W
2010 Honda CRV- SMI Stay In Play Duo
Previous-5th wheel, Class C, tent trailer, tent
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06-26-2016, 06:46 PM
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#5
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Senior Member
Join Date: Jan 2016
Location: Phoenix, Arizona
Posts: 306
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what he said^^^^^
I did notice a little of sway went away when entering or leaving a gas station onto the road.
__________________
2016 Forester 2401WS MBS
Life is short...eat the cookie
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06-26-2016, 09:42 PM
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#6
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Senior Member
Join Date: Jul 2014
Location: Foresthill, CA
Posts: 329
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Front & Rear = Huge
I did rear first and followed up with the front. Made all the difference. Very stable, quiet and smooth ride.
Rig is also very stable when parked and don't need the Bigfoots.
__________________
Pod2Vibe
Magnetic 2019 Isata 5 30FW 4X4 (arrived 2/15/19)
TOAD: 2014 Fiat 500 Abarth
2015 Solera MBS 24R - Hellwig/Sumo Equipped, Sold
(Sold the Vibe TT, as well)
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06-26-2016, 10:56 PM
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#7
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Senior Member
Join Date: May 2016
Location: ...
Posts: 120
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Are they attached on the top and bottom. ?
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...
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06-27-2016, 01:39 AM
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#8
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Senior Member
Join Date: Aug 2012
Location: San Diego
Posts: 1,074
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They replace the rubber bump stops and are attached at the top only
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06-27-2016, 10:24 AM
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#9
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Senior Member
Join Date: Sep 2015
Location: Bend
Posts: 331
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When removing mine I sprayed the originals with silicone spray and they popped right out. Made the new ones go in really easy.
__________________
John Craft
dogpa
2016 Solera 24R
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06-27-2016, 01:00 PM
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#10
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Senior Member
Join Date: Dec 2010
Location: Apple Valley, CA
Posts: 361
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Check out the March issue of Motorhome Magazine, they did a feature story on them.
Happy Trails, Forrest
__________________
Happy Trails
fbconsults
(Forrest and Donna)
2011 Georgetown 378TS
2011 Ford Escape V-6 4X4 
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06-27-2016, 01:57 PM
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#11
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Member
Join Date: May 2016
Location: Chiloquin, OR (near Crater Lake)
Posts: 52
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Front or rear?
I am confused by this post. When I shop on-line, I get Sumos for many different vehicles with nothing specific to my MBS 2401 R. Then, there are Sumo-like non-air types.
Do these go on the front or rear, and are the Sumo springs the only recommended ones to get?
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06-27-2016, 02:06 PM
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#12
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Member
Join Date: May 2016
Location: Chiloquin, OR (near Crater Lake)
Posts: 52
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Micro-cellular Urethane
I think that I found my answer at eTrailer.com. They have the Micro-cellular Urethane from Super Springs (Sumo) for the Sprinter 3500 for $245. Foam blocks for that much money?
Is that what is being talked about?
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06-27-2016, 02:18 PM
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#13
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Senior Member
Join Date: Apr 2015
Location: Middle GA
Posts: 1,289
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Yes. I added them to my truck. They are very easy to install yourself (if you want) and make a big difference.
__________________
Ben and Doreen
Home Away From Home - 2017 PT Crusader 315RST
TV - 2016 Ram 3500 Laramie 4X4 6.7 Cummins Diesel
Never Enough Time Camping!!
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06-27-2016, 02:25 PM
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#14
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Senior Member
Join Date: Jun 2011
Location: Big brown desert
Posts: 3,003
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Yes- that's them. I paid the price for my tundra and do not regret. I like the no maintenance unlike airbags.
2014 Evo 2850 "Woodstock"
2011 Toyota Tundra "Clifford"
__________________
2014 Stealth Evo 2850- "Woodstock"
2011 Toyota Tundra Rock Crawler TRD 5.7- "Clifford"
2013 Honda Accord Coupe V6 w/Track Pack- "Julia"
Just glad to get away
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06-27-2016, 03:12 PM
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#15
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Senior Member
Join Date: Aug 2012
Location: San Diego
Posts: 1,074
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I think they really increase stability of the Mercedes chassis, especially in crosswinds or when a semi goes by
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06-27-2016, 03:16 PM
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#16
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Senior Member
Join Date: May 2014
Posts: 901
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Quote:
Originally Posted by Aspenmeadow
I am confused by this post. When I shop on-line, I get Sumos for many different vehicles with nothing specific to my MBS 2401 R. Then, there are Sumo-like non-air types.
Do these go on the front or rear, and are the Sumo springs the only recommended ones to get?
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Here's a post from a while ago. It lists the sumo springs products which are relevant to most of our Sprinters and provides links to manufacturer product info:
http://www.forestriverforums.com/for...ml#post1090533
__________________
2015 Solera 24R
2014 Mercedes Chassis
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06-27-2016, 04:54 PM
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#17
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Senior Member
Join Date: Mar 2016
Posts: 353
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Quote:
Originally Posted by Aspenmeadow
I think that I found my answer at eTrailer.com. They have the Micro-cellular Urethane from Super Springs (Sumo) for the Sprinter 3500 for $245. Foam blocks for that much money?
Is that what is being talked about?
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do a search on google shopping. I got a set for my MBS 2400SW from autoplicity.com and paid about $182.
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06-27-2016, 06:15 PM
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#18
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Senior Member
Join Date: Jul 2014
Location: Foresthill, CA
Posts: 329
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Quote:
Originally Posted by Aspenmeadow
I think that I found my answer at eTrailer.com. They have the Micro-cellular Urethane from Super Springs (Sumo) for the Sprinter 3500 for $245. Foam blocks for that much money?
Is that what is being talked about?
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Go to suspension connection and make sure to use the coupon code 10extra for 10% off.
SumoSprings - Airless Suspension Support | SuspensionConnection.com
__________________
Pod2Vibe
Magnetic 2019 Isata 5 30FW 4X4 (arrived 2/15/19)
TOAD: 2014 Fiat 500 Abarth
2015 Solera MBS 24R - Hellwig/Sumo Equipped, Sold
(Sold the Vibe TT, as well)
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06-28-2016, 12:19 AM
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#19
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Senior Member
Join Date: Jul 2015
Location: Bend, Oregon
Posts: 272
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I bought mine (SSR-338-47) from Amazon for $210 and received them on May 10th. Installed them myself in about 30 minutes and promptly drove up and over a rather curvy mountain pass the following weekend. I thought it was an exceptional performance upgrade and really felt like the coach was much more stable, especially in cornering and inclement weather (wind) without making the ride overly stiff.
__________________
2016 Forester MBS 2401S
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06-28-2016, 08:31 AM
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#20
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Senior Member
Join Date: Apr 2015
Location: Middle GA
Posts: 1,289
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Yes, there is some confusion as SuperSprings has three different products. Go to the following YouTube video, and all three are explained. Most people use the bump-stop helpers. They are the least expensive, easiest to install, and provide a great deal of support and ride improvement. The others are more for commercial use or instances where you need A LOT of assistance.
__________________
Ben and Doreen
Home Away From Home - 2017 PT Crusader 315RST
TV - 2016 Ram 3500 Laramie 4X4 6.7 Cummins Diesel
Never Enough Time Camping!!
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