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06-27-2021, 10:21 PM
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#1
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Senior Member
Join Date: Oct 2020
Location: Southern Virginia
Posts: 521
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Trailer Sumo Springs
Has anyone here installed SumoSprings on their trailer? I'm considering installing them on my Wolf Pup, mainly because of the side to side roll when encountering holes and depressions in parking lot entrances and dirt roads. Sometimes it seems like the trailer is going to turn over from the lateral roll, even when trying to take it slow and easy.
Wondering if anyone has tried them and if they would recommend them.
Thanks for any comments.
__________________
2019 Wolf Pup 16FQ - bought new 3/2020
2013 F150 5.0 STX SCab 4x4 SB/3.55 rear/tow pkg./36 gal. tank/1695 Payload/7350 GVWR
Andersen Hitch
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07-01-2021, 11:27 PM
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#2
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Senior Member
Join Date: Oct 2020
Location: Southern Virginia
Posts: 521
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Ok, so hearing no objections, I bought the SumoSprings and installed them today. I will be going on my next outing in 2 weeks and will report on any change in handling then. The installation was simple. Just took a while due to limited working space.
I had to cut the springs to provide the recommended 1/4 to 1/2 inch pre-load, but that is confirmed by the manufacturer to be acceptable.
Previously, I had no issues with handling on the road, just wanting to reduce the lateral sway at low speed. Should also prevent the axle from hitting the frame, which has not been an issue for me, but has for others posting here.
__________________
2019 Wolf Pup 16FQ - bought new 3/2020
2013 F150 5.0 STX SCab 4x4 SB/3.55 rear/tow pkg./36 gal. tank/1695 Payload/7350 GVWR
Andersen Hitch
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07-21-2021, 08:44 PM
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#3
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Senior Member
Join Date: Oct 2020
Location: Southern Virginia
Posts: 521
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Update on the Sumo Trailer Springs.
Just returned from my first outing since installation, 180 mile round trip. They greatly reduced the side to side rocking in driveway entrances and uneven terrain, which was why I installed them. 100% satisfied with that.
The only other benefit I could tell was some cushioning of dips in the roadway and rough bridge approaches. The single axle tail end bounce seemed to be of shorter duration.
It seems that they would have to help extend the life of the poor little undersized leaf springs by keeping them from flattening out as much when bouncing.
__________________
2019 Wolf Pup 16FQ - bought new 3/2020
2013 F150 5.0 STX SCab 4x4 SB/3.55 rear/tow pkg./36 gal. tank/1695 Payload/7350 GVWR
Andersen Hitch
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09-03-2021, 10:51 AM
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#4
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Member
Join Date: Jun 2021
Posts: 72
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Quote:
Originally Posted by Virginian
Update on the Sumo Trailer Springs.
Just returned from my first outing since installation, 180 mile round trip. They greatly reduced the side to side rocking in driveway entrances and uneven terrain, which was why I installed them. 100% satisfied with that.
The only other benefit I could tell was some cushioning of dips in the roadway and rough bridge approaches. The single axle tail end bounce seemed to be of shorter duration.
It seems that they would have to help extend the life of the poor little undersized leaf springs by keeping them from flattening out as much when bouncing.
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I have been looking at these too, I'll probably put these on too. It looks easier than putting shocks on the trailer and basically do the same thing.
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09-03-2021, 11:04 AM
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#5
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Senior Member
Join Date: Dec 2019
Location: South Carolina
Posts: 1,212
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I considered these for our Surveyor. After some R&Ding I discovered that in our setup the Sumo Springs would not line up properly. They would not make full contact with the frame based on the way the leaf springs are installed.
In talking with tech support, they felt that a certain percentage of contact was sufficient. (don't recall that number) But, I decided against that and will go with Shocks. So measure twice
Have fun!
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09-03-2021, 12:13 PM
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#6
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Senior Member
Join Date: Oct 2020
Location: Southern Virginia
Posts: 521
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After making my second trip since installing the trailer springs, I continue to be pleased with them. Since I’m not riding in the trailer, I can’t say how much cushioning they provide, but I’m pleased with what I see in my mirrors.
Last night while watching dashcam video on TV with my wife, I told her that I wish we had them in Utah, when we were getting our bones rattled on a 30 mile long dirt road that was so washboarded that we were going about 10 miles per hour and bouncing along so bad that I sped up to 30 mph to smooth it out some.
__________________
2019 Wolf Pup 16FQ - bought new 3/2020
2013 F150 5.0 STX SCab 4x4 SB/3.55 rear/tow pkg./36 gal. tank/1695 Payload/7350 GVWR
Andersen Hitch
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01-21-2022, 05:08 PM
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#7
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Junior Member
Join Date: May 2021
Posts: 2
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Just looking at these for my wolf pup. Same reasons you stated.
What model did you use and what did you cut them with?
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01-21-2022, 05:44 PM
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#8
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Senior Member
Join Date: Oct 2020
Location: Southern Virginia
Posts: 521
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I got the TSS-106-40. I sliced them cleanly and easily with a serrated bread knife.
It really just depends on how much clearance you have between the spring and frame as to whether you need to cut them. They recommend 1/4 to 1/2” preload on the Sumo Spring. I would have had about 1 1/2” preload which they say is too much.
I ordered mine from Amazon.
__________________
2019 Wolf Pup 16FQ - bought new 3/2020
2013 F150 5.0 STX SCab 4x4 SB/3.55 rear/tow pkg./36 gal. tank/1695 Payload/7350 GVWR
Andersen Hitch
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01-22-2022, 11:33 PM
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#9
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Junior Member
Join Date: May 2021
Posts: 2
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Thank you. My next buy for both wolf pup and my tacoma
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01-23-2022, 11:39 AM
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#10
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Senior Member
Join Date: Oct 2020
Location: Southern Virginia
Posts: 521
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I’ve been very pleased with them on my F-150.
__________________
2019 Wolf Pup 16FQ - bought new 3/2020
2013 F150 5.0 STX SCab 4x4 SB/3.55 rear/tow pkg./36 gal. tank/1695 Payload/7350 GVWR
Andersen Hitch
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06-23-2022, 10:08 AM
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#11
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Senior Member
Join Date: Jan 2020
Location: Phelps
Posts: 381
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I know this is a older thread. We have a 187RB with the outfitter and offgrid package - which means thee suspension is higher. Any idea if this will be an issue on our single axle?
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06-23-2022, 10:42 AM
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#12
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Senior Member
Join Date: Oct 2020
Location: Southern Virginia
Posts: 521
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It shouldn’t be an issue. The Wolf Pup I installed them on has the Adventure Package with the factory lift, and is also a single axle.
The SuperSprings website shows the height of the springs, and how much preload is recommended.
If I were doing it again, I would install them without cutting off the 1 inch that I did. Etrailer gives conflicting advice on this. In their Q and A, they say that according to the manufacturer, it’s permissible to cut them to the proper height, but since I installed mine, I’ve seen where they also say it’s not necessary.
However, having said that, the manufacturer’s instructions do say to limit the preload to 1/4 to 1/2”.
It’s simple enough to measure your clearance between your springs and frame to see how they’ll fit.
They also include spacers to install if you have more clearance than the height of the springs.
I’ve been pleased with them.
__________________
2019 Wolf Pup 16FQ - bought new 3/2020
2013 F150 5.0 STX SCab 4x4 SB/3.55 rear/tow pkg./36 gal. tank/1695 Payload/7350 GVWR
Andersen Hitch
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06-23-2022, 12:13 PM
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#13
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Senior Member
Join Date: May 2018
Location: Hills of Northwestern PA
Posts: 2,329
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I strongly considered getting SumoSprings for my Wolf Pup 16BHS.
BUT…
it hasn’t left the yard but once in two years for various reasons. I plan on installing them before the long trip we planned two years ago before COVID, personal health probs wife & I both, now inflation & gas, whaaaa whaaaa.
I did buy a used set for my F150 and installed them. Planning on juggling my tongue weight to get within no WDH needed specs, at least for local pulls.
I did note that there are both under spring and over spring models. I “flipped” my TT axle early during COVID one days so I need the taller model.
__________________
2019 Cherokee Wolf Pup 16BHS flipped axle, 5K springs, 400AH LiFePO4, 3K inverter, 400 watts CIGS solar
2019 Ford F-150 S-Crew 5.5 bed V8 w/tow package, ITBC, Tow Mirrors, 3.55, SumoSprings, 7000# GVWR, 1990#CC
Husky Centerline TS WDH 400-600# spring bars
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06-28-2022, 04:16 PM
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#14
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Senior Member
Join Date: Jan 2020
Location: Phelps
Posts: 381
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06-28-2022, 06:35 PM
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#15
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Senior Member
Join Date: Oct 2020
Location: Southern Virginia
Posts: 521
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Excellent! Glad to hear it went well!
__________________
2019 Wolf Pup 16FQ - bought new 3/2020
2013 F150 5.0 STX SCab 4x4 SB/3.55 rear/tow pkg./36 gal. tank/1695 Payload/7350 GVWR
Andersen Hitch
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08-10-2022, 05:53 PM
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#16
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Senior Member
Join Date: Apr 2018
Posts: 168
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I just installed on my '17 36 BHQ. I'm hoping it takes some of the load off the springs. I've broke 2 last fall and 1 this summer. Not sure if the camper had a bad batch from the factory or if that's even a thing. I installed the black sumos, they measured exactly 1/2" taller so I didn't need to use the spacers.
Weird thing I discovered. According to my GAWR decal, the RV has 2 6000 lb axles. In reality it has 2 7000 lb axles according to the decal on the axle themselves. I do know that people de-rate trailers in this manner to get out of CDL, but why do it on an RV?
Anyway, made me feel a lot better about the RV, but three broke springs in a year still has me scratching my head. I've weighed the separate axles twice and they are around 5750-5850 each time.
__________________
2015 Chevy 2500 crew cab diesel
2017 Sabre 36BHQ
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08-10-2022, 09:17 PM
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#17
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Senior Member
Join Date: Jul 2018
Location: Baraboo, WI
Posts: 611
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I ordered a set of Sumo Springs for my 2017 Viking 17FQ. When the Sumo Springs arrived, I jacked up my TT to install them. I found that the springs were almost flat.
I removed the springs to take a look at them without any load. I measured my springs against a new pair of 3500 pound springs and found that my springs had 3" less bend than the new springs. For all practical purposes, they were flat.
I decided to return the Sumo's and install new American made springs from Northern Tool. My TT now sits 3" higher than with the old springs.
While under the TT to install the new springs, I found that my u-bolts had hit the trailer frame and put very small bends in the frame.
The TT was weighed before every trip to verify my traveling weight. It helps to live near a certified scale that I can do a proper and complete weighing at no cost. This
includes every axle, hitched and unhitched.
With the new springs the TT rides much smother and leans less on the corners.
Another example of Lippert quality.
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