Good Sam Club Open Roads Forum: Sumo Springs on my Toy Hauler
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Open Roads Forum  >  Travel Trailers  >  Modifications and Accessories

 > Sumo Springs on my Toy Hauler

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Rbertalotto

Massachusetts

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Posted: 08/21/22 07:03am Link  |  Quote  |  Print  |  Notify Moderator

I bit the bullet and spend $500 on four small rubber type things to augment the suspension on my Forest River RR19 toy hauler. Check out my you tube video here...https://youtu.be/xSDd5Se4z2E


RoyB
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2112

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Posted: 08/21/22 10:15am Link  |  Quote  |  Print  |  Notify Moderator

Did it solve your problem?


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Grit dog

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Posted: 08/21/22 11:41am Link  |  Quote  |  Print  |  Notify Moderator

Your springs sacked out, or you got the TH loaded to the max?
Odd, as one thing that typically isn’t lacking on toyhaulers is spring capacity.


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Lwiddis

Southern California :(

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Posted: 08/21/22 12:04pm Link  |  Quote  |  Print  |  Notify Moderator

Excellent video quality and narration.


Winnebago 2101DS TT & 2022 Chevy Silverado 1500 LTZ Z71, WindyNation 300 watt solar-Lossigy 200 AH Lithium battery. Prefer boondocking, USFS, COE, BLM, NPS, TVA, state camps. Bicyclist. 14 yr. Army -11B40 then 11A - (MOS 1542 & 1560) IOBC & IOAC grad


Gdetrailer

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Posted: 08/21/22 12:08pm Link  |  Quote  |  Print  |  Notify Moderator

MEH, $500 for polyurethane pucks that restrict your trailers suspension movements?

Calling them "springs" is an oxymoron.

You can remove the leaf springs and bolt the axles directly to the frame, saves the $500 and effectively does the same thing.

I see a bent/cracked/broken frame in your future.

If you are having control issues, adding some shocks to provide some controlled damping would be a better choice and half the cost.

Skibane

San Antonio, TX

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Posted: 08/21/22 01:03pm Link  |  Quote  |  Print  |  Notify Moderator

There have been reports of the plastic losing its resiliency in a few years.

Tyler0215

Iowa

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Posted: 08/21/22 01:25pm Link  |  Quote  |  Print  |  Notify Moderator

Sounds like $500 wasted to me. The hard jounce when the Sumos meet the frame will be hard on the trailer frame.
Sumo springs on a truck sound equally bad.

Gdetrailer

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Posted: 08/21/22 04:47pm Link  |  Quote  |  Print  |  Notify Moderator

Glad I am not the only one that is a bit skeptical about those pucks..

What was the reason why you fell you needed them?

The idea of having a suspension is to have some movement or compliance.

Those pucks take away compliance, potentially making the trailer ride stiffer.

Take away that compliance and it puts strain in places that shouldn't have strain. The frames are not reinforced where that puck touches and for any boxed frame there should be concern over how much up pressure is is targeted in one small part of the frame.. Without reinforcement to spread the load you can easily flatten the frame..

Its your RV to do with as you wish, myself, I think it is more of a non issue that someone made a product for.

valhalla360

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Posted: 08/21/22 04:51pm Link  |  Quote  |  Print  |  Notify Moderator

Tyler0215 wrote:

Sounds like $500 wasted to me. The hard jounce when the Sumos meet the frame will be hard on the trailer frame.
Sumo springs on a truck sound equally bad.


I'm not sure if I agree with this application but there isn't a "hard jounce". They are progressive, which means, the initial resistance is minimal and it ramps up as compression increases.

The one item I question is leaving a big air gap.
- With a truck where you normally run empty but occasionally put it under heavy load with the RV attached, it makes sense.
- With the trailer, presumably, there will be minimal variation in loading.


Tammy & Mike
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afidel

Cleveland

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Posted: 08/21/22 05:12pm Link  |  Quote  |  Print  |  Notify Moderator

Tyler0215 wrote:

Sounds like $500 wasted to me. The hard jounce when the Sumos meet the frame will be hard on the trailer frame.
Sumo springs on a truck sound equally bad.


Sumo springs or similar can be good on a 1 ton or 4500 pickup to provide some unloaded cushioning that the heavy spring pack lacks.


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