Amazing RV Trailer Suspension Enhancement that DIDN'T FIT my Fifth Wheel! Sumosprings
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- Опубликовано: 10 сен 2024
- Sumosprings 5k-8k for Over mount Leaf Springs
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My top plates are 4" wide and 3/8" thick.. these would require a plate no wider that 3.75" and 1/4" thick.
Thank you so much JD
I just went through this last week on my Jayco 5th wheel. The lady at E trailer didn't know anything and just wanted to issue a return label. I called Sumo Springs and sent them pics of my mounting issue and they had a Tech call me back. He said I'd need to install a different leaf pack plate that is narrower to fit the bracket. I said that's not happening and that Sumo Springs needs to offer bigger brackets and longer bolts for a solution to the customer. I hope they see this video and realize they better do something about it. They didn't seem too motivated from my conversation.
I had a RV dealer I use in Fort Worth install these for me on a Cougar 368MBI, I have been very pleased with them, hopefully you will get it worked out with the correct parts/sizing and you can enjoy the benefits of them. Also appreciate you including videos even when things don't work out as you wished they would.
Installed both the Blue Sumo Springs and the Road Armor equalizers on my 2019 Imagine, without any issues. Took my time and had both done in a weekend, with a couple of bottle jacks and a bunch of patience. The handling, ride and vibration isolation is fantastic. I would HIGHLY recommend both upgrades to any travel trailer or 5th Wheel.
I appreciate you taking the time to show stuff that doesn't work as well.
This is the problem with 'one size fits all' solutions. There's too much variation in RV manufacture, but after market parts builders don't want to take the time to have variations, because buyers screw up measurements all the time and they end up reshipping more often than in your case.
Completely agree my friend
Installed two sets of the Blue on my 2021 Fuzion 419 and helped a ton on our drive from Texas to Alaska.
My plate was to wide so I took my saws all and cut them down and installed the sumo suspension, added about 20min to the installation time. I installed the morryde 4000 and the sumo suspension to my fifthwheel and have been very happy with the improved ride Performance.
How did you cut them down? Did you use a sawzall?
@@jefframsey7879 yes I used my dewalt sawzall with the Lenox thick metal laser blade
@@edspence4732 Thanks very much! I really want to use these Sumo Springs!
Great video, I had the same problem on my Cardinal. I'm fairly mechanically inclined so I made all new mounting brackets. It was a bit of a pain but all worked out well. We just finished up a 28 day 6500 mile vacation and the brackets are still perfect. When Called etrailer for advise the suggested trimming the plate so the Sumo would fit.
Sumo springs for a trailer is pretty cool. Sucks that they dont fit your trailer, they'd probably make a world of difference, even if they are just glorified bump stops.
I put these on my Momentum toy hauler. Best thing EVER.
Looks like if you take the nut off the through bolt that it would expand enough to go over the plate. After you get it past the bottom angle then it should close enough to get the nut back on. You might have to loosen the sumo a little to help it expand then twist it back tight afterwards.
Love these been using them for 6 months
These fit our reflection 278 bunkhouse perfectly, was a super easy installation, and a noticeable improvement in the ride
I installed the black sumo springs on my Power Wagon and man did they help with stability when towing, night and day difference. The best part is the unloaded ride didn’t change, and on top of that I can unscrew them in 30 seconds if I need max articulation (compression) off road. I love them.
I ordered my Suma springs and they had a different type of mounting brackets, they sit down over the UBolt plates and had adjustable holding brackets that worked fine. the Suma springs were a big improvement to my suspension and the handling of my 42' fifth wheel, great product
Thanks for sharing. It’s great info for potential buyers.
Okay a suggestion! Because I've used similar product on pick up trucks! By put a scissor jack between leaf spring and frame to left / separate gives ANYONE enough space to install THIS system! One side at a time! Plus by doing so you t get enough space to also use the spacer plate! Which on trucks where proved for the difference between 2 wheel drive and 4 wheel drive trucks! Because I was pulling have loaded trailers (horse trailers ) I chose to use the spacer because very hard to adjust horses around in trailers based on weight! Those systems worked awesome while LOADED, but empty did give a very stiff ride which I'm use too anyways
A before and I after ride comparison would be nice. Need some kind of visual ride indicator, possibly a camera recording a clear water jug with food coloring to see how the trailer reacts.
I think you need to attach the brace first then Install the bushing. If the center bolt is not connected you can attach the bracket from both sides.
I upgraded to Slipper Springs, shocks and disc brakes . Very happy with upgrade
This system wouldn't fit my 2008 Keystone Raptor 299MP. My issue was the spring plus bracket with no spacer was too long. This is one specification that is not called out on Super Springs or eTrailers website. The instructions do not specify the minimum distance from the leaf spring plate to the frame. The Sumo Spring with bracket is approx. 6 1/2" long. With my axles unloaded I only have 5" between the plate and frame. eTrailer did accept a return. The only charge was for the prepaid return shipping.
I installed the Sumo springs on my 5ver I can’t really see any improvement in the ride. The cabinet doors and other things still come open and bounce around.
Toyota had over load springs like these in the 70s, they looked like a figure 8
I don't understand why you would want the Sumo Springs since you have the Road Armor. The Road Armor gives your suspension more vertical travel, while it seems the Sumo would restrict vertical travel. To me they seem to work against purposes. Please explain what I am missing.
I installed these and long story short ASSEMBLE the bracket and spring on the spring pack top plate. Put the 2 halves on the plate insert bolt in center that super spring screws on then insert the bolt that clamps the 2 halves of the bracket (loosely) attach the super spring, tighten all up and good to go. Super spring actually had to make me special bracket due to my spring top plate was extra wide for the shock kit I installed.
Ok, so the bolt is 3.25" long, so even if you tried to slide it through after installing the backers, it's not long enough. Also, the brackets require the bolt to be inserted through the bottom before you can assemble it on the plate, so how did you accomplish this? Also, the slots in the brackets do not allow them to be slid apart beyond 3.25", how did you accomplish this without making new brackets? Finally, in order to screw the spring on top, you would need to raise the RV an additional inch, did you somehow install yours considering all these factors?
@@BigTruckBigRV yes , I raised the frame of the RV with the 6 point Hydraulic leveling so the wheels were almost off the ground plenty of room then between frame and spring pack, then put the 2 halves on, put center bolt in, screw the super spring on loosely, then put the clamping bolt in last and tighten it all up. My top plate is extra wide as it came with the aftermarket LCI shock kit, I sent Superspring the measurement and they made me 4 outer brackets that had longer top pieces that the center spring bolt goes through, this kept the spring centered on the frame. I still had to assemble each in place. The only problem was the rocks I had to lay on at my storage place when I was installing them.
As it's been almost three years since you encountered this issue, do you know if there have been any upgrades made to the design to account for wider leaf spring top plates?
THX - You are a great "Guinea pig" for finding problems with upgrades!
This looks and sounds like a really good idea. I wish they would work on my horse trailer but it doesn't have leaf springs... so will file it away for when we get the 5th wheel trailer. Thanks!
What do these gain you? I understand them on a truck when you're trying to prevent sag but your camper's springs should be sized for their intended load. I would think these would "over-spring" it and make it bounce worse or maybe even rough.
Hi JD. I see you have an extended grab handle on your entry door. My husband added bicycle handlebar tape to ours so that when it rains the handle won't be slippery. Works great!
How do you know what size sumo springs to buy for your fifth wheel?
Please give us an update on this situation in the future. Thanks.
I bought same sumo spring set up but did not have clearance only have 4" from top of plate to bottom of trailer frame, I called the number on the paperwork and was told it is ok to raise trailer up and install even thou it will compress more then what the paperwork says... so a little reluctant to install since the total space would be 5 3/4" so it will compress more the 1/2"
Hey off the subject but what ply tires are you running?
There is a big note that states they will not fit any plate wider than 4 1/4”.
Also the gap between the spring and the frame has to be 5.3 and 6.55
Do your homework first and avoid the problems you had.
Also if your good they could have been modified easily to fit using a different technique.
You might want to think about the fact that that note was put in place after I installed these. Hmmm
Get a hold of the manufacturer of the Sumo Springs. They worked with me for a modification to my Jayco that solved an off set I had. They’re great to work with.
I'm working with them
I have Sumo on my F150. Yes there is 1/2 or 3/4 inch gap when unloaded. And there's no gap when my camper is hooked on.
Are you saying the 5th wheel will "squat" that much to the point there's no gap?
If you leave a gap there once you hit a bump and the Sumo will hit the frame it's like hitting a brick. It actually makes it worse then stock suspension. You need to know how much the 5th wheel will squat when loaded because you don't want a gap there. It will make it very bouncy ride.
I can tell my F150 was smoother without Sumo now it rides more like F250 but it only squats 1 1/2 inch.
There's no telling how the 5th wheel will ride because nobody can ride inside. My experience with Sumo is they help with the squat but not convinced the ride will be smoother.
The instructions with these is that there is no gap when installed.
@@BigTruckBigRV that makes sense. However on pickups there has to be a gap because the Sumo is not supposed to effect the suspension when not towing. But it does if that axle moves more than an inch hitting a bump. Adding the Sumo to the 5th wheel will make the suspension stiffer. That would mean stiffer ride.
Had the same issue. They told me I had to get new spring packs to fit their product. They are completely crazy. If I wanted a different spring pack, I would be buying their product.
User error! they fit just perfectly on mine.
I smell a give away product coming. I would love to have a set. Just seem pricey to me for what you get. Think I will get the Road Armor first. Cheaper and has some real benefit from the beginning.
I am assuming this system will help a lot with wear & tear while towing. All the inside cabinets and furniture take a beating on rough roads. That's why you never really get rid of the sawdust.
Thanks for the review
Great video. I was in the middle of installing a set on my 2010 Eagle 321RLTS 5th wheel, when I found your video. As it turns out I also have Dexter Axles. However, the Top plate width is 5.75 in. and the max for the Sumo Springs is 4.5 in. After chatting online with a Sumo rep, they say that they do not have a kit for my Axles. Really bummed, and not sure where to look now.
Ahhh the joys of aftermarket parts. Can't get anything right.
I have a 2014 F150 with tow package with a 3.31 gear ratio with 3.5 ecoboost and we getting a transcend 261BH are 265BH which one will be better
If you turn your wet bolt kit around, it is easier to grease them. You don’t have to fight the wheels
Did you remove the bolt and try to fit the clamps then the bolt and nut? More than once I've found that in order to install a similar clamp that all it needed was that method.
thanks for this, I am curious though, other than a relatively easy install, what is the advantage vs installing heavier spring packs? Sumo's look to be around $250 per pair, you can buy spring packs for $60 each so for the cost of one side of Sumo Springs, you can upgrade all 4 Spring packs, yes this is much more labor intensive, but it a solution instead of masking a problem.
I have them on my f150 I like them a lot
Two torsion axles, no leaf springs on my Winnebago Hike Travel Trailer. Sorry things did not work out on the sumo thingamabobs.
Less talk more installation!
I love the idea you did on your tires but I swear you put 17.5 on 16 inch rims. Is this the case, as I'm looking to get a better tire for my RV
Hello. I have a 199RK that has a 4400 pounds single axle. We are having a blast with it and drive it all around including dirt roads to reach far away lakes. One issue we have is that whenever we drive on a road that undulates a lot, the trailer accumulate swing to a point where the cabinet door opens up because the cargo is swinging like crazy back there. Would these help? Or should truck shocks be retro fitted? I am not clear as to why travel trailers don’t have shocks from the factory.
They may help since they would reduce and dampen moment. You may also want to balance your tires.
It would be nice if you got into the guts of the 5th wheel that claims it is a 4 season. I own a 2016 Redwood 39/FW. I freeze in the winter, cook when the sun is out and when the under belly is dropped, the wiring looks like a yarn ball with knife valve cables tangled thru it. The water lines were mixed and leaking. I watched the Van Leigh video you did but it just showed the pretty, not the build itself. Thanks.
May I suggest that a suspension upgrade you were unable to install and test perhaps isn’t “amazing”? I’m also curious how dexter or LCI (whoever your axel manufacturer is) feels about this particular add on?
It is amazing, for 99% of RVs that it will fit.. I've heard nothing but great reviews. Unfortunately, it won't fit mine. Yet.
Shame it doesn't fit, as I would have like to see them in action. HOWEVER, a concern I have was you were measuring for preload with legs down (auto-leveled) which may alter your actual sprung ride height (shackle to frame) to know which spacer to use to get proper preload?
I'm curious as to what Coachman or Lippert thinks of this product? My concern would be that it might add too much stress on the hangers, welds etc. I am obviously thinking long term. JD-thoughts? Don't get me wrong I think it has a place as long as it doesn't cause more damage someplace else.
It's design is actually pretty cool because it reduces the stress ok those components, theoretically.
Why not just get a slightly longer bolt from the hardware store to allow you to get the bracket spread wider, or is the because the slots at the base of the bracket itself only let you spread them just so far apart regardless of the bolt that is used to squeeze it together on the leaf spring.
Your second half Exactly.
@@BigTruckBigRV Gotcha. That stinks… 1/4 inch and you’d be there.
How are these supposed to help your trailer? These do nothing but make the spring rate higher. People in the comments are saying these made their ride smoother. That doesn't make sense
Well, they also compress at a different rate vs the leaf spring. They dampen movement and limited the shock transfered through both the spring body and equalizer. Different materials transfer and absorb energy differently.
Awwwwwwwwwwwwwww ... inspector gadget got snaked on the 415th modification to his 5th wheel ... Maybe he should use it from time to time instead of playing gadget master with it all the time.
I've watched a ton of your videos and enjoyed them. I think you're smart for not showing your face and risk losing your anonymity, however should I ever see those hands out in public I will immediately know who they belong to.
Can you modify the spring?
I could try and fabricate a new bracket though
Ok but looks nice
Put the bolt in after the spring is in place. Problem solved!
Too short and won't wrap around the 3/8" thick plate.. problem not solved.
The manufactures and E trailer fumbled this one.
Not so sure about that. There is always the risk that a aftermarket component won't fit a specific OEM product. Considering the top plates my RV has may be extremely unique or a limited production run. This happens all the time with tons of different aftermarket parts.
Dont pre assemble them
No choice.
@@BigTruckBigRV I agree, I just installed these and if you don't pre assemble them you can get them to clear. You are able to tighten everything with them in place.
To be fair, they are $225 a pair on e-trailer. - And may not fit.
Agreed...however, many parts can be expensive...and may not fit. Just need to take measurements and sometimes make changes to products.
Can you take the nut off the bracket slide it in place and put the nut back on?
That's not the issue.. they won't fit the width regardless. The slot in the bottom won't slide that far apart
@@BigTruckBigRV I see, figured it wasn't going to be something that simple.
Do you want to sell them? They will fit my 5th wheel
I'm hopeful that new brackets will be available for these so I can make them for.
Make them fit.,
So wait, you still posted this video knowing that you couldn't install that unit? But at the beginning you were acting like it was must see tv. You have officially become one of those RUclipsrs that care more about views than content. 👎
Lol is that what you think? I believe it's that I went into this project believing it would work. I found out I had a fitment issue on my specific RV (that other buyers might run into) and felt it was worth informing my viewers honestly. Most RVers may not encounter this problem though. You've become one of those viewer's who thinks everything is a conspiracy and trolls channels expressing your opinion. Cheers to that.
@@BigTruckBigRV You could have waited until you got a fix and posted this video with it installed. It's not as if you were doing it live. And I have no idea what that last part is about. Yeah, I have nothing better to do. Glad I had this little interaction with you, it's told me a lot about your character. Get well soon.😕
Back at you brother. Character is often more defined by the instigator. You made assumptions with no factual basis for it. And to answer your question, I'm not even sure the manufacturer is going to make a fix for it. Many commenters indicated the same issue with no resolution offered from the manufacturer except to replace the top plate, which is something I wouldn't do either. So, I hope they offer a revised product BUT if they don't, I want folks to know what challenge they may potentially encounter. That's being honest and ethical. Sugar coating the issue and waiting an indefinite amount of time for a manufacturerer solution is being deceiving.