Sumo springs. Anybody got them?

[Big_Katuna]

Our friends just bought a new Tiffin gas. It didn't come with the Sumo upgrade.

Are they worth the price? Also, do they replace the factory springs or are they an add in?

[Z71_4x4]

I installed the fronts just just a few months ago and liked them so much I went ahead and bought and installed the rear. They are NOT at all like the factory bump stops and have much more cushy material than I imagined. I already had the Koni's, steering stabilizer, rear trac-bar, and thought I'd try these. It made a HUGE difference for me, my wife, and our motorhome. I bought the Solo's that only mount from the top, the least expensive ones.

Side to side play and rocking is much tighter now. Going over speed bumps and dips in the road are much improved and pulling in and out of our driveway is much better. It also changed the way it handles on the road with improved wind resistance, and I drive in a lot of wind! Seriously, these are the cats meow for us.

I don't sell these and make no money from them. I bought mine online from the best price I could find. It's just a good product that I am really benefiting from.

[Goldencrazy]

Now that is a testimonial. Normally I would have thought the steering stabilizer would have been the big help but you are saying very little side to side. Has your ride gotten better especially on the rear with them.

[smacdiesel]

I have them, big difference in ride, I recently ran over a mattress and box spring on the freeway, the rig went right over the debris with complete control.

[Jack_Kay]

Our 2015 Allegro came with Sumo springs. Our previous Allegro coach was slightly shorter and older and I thought the ride was satisfactory. I don't have anything of this size to compare to, but I have to assume the ride is better with them. Others also say that adding Koni shocks is the best thing you can do.

[time_to_go_now]

My 2008 Tiffin FRED chassis did not have them. I first replaced the shocks to Koni's in 2011. Then last summer I added Sumo springs to all four corners. They were only about $190 for a pair.

They are like a large marshmallow that goes between leaf spring and frame and is tall enough to have some weight resting on it all the time. As your suspension compresses, whatever the material is made out of gets tougher the more it is squished. So, if you were hitting the hard bump stops (like I was), the Sumo springs made a huge difference in ride quality. More of a cushion than a hard stop. They also helped with side to side sway.

So, for me, they were well worth the $400. But, I would not pay $800 or $1,200!

Good luck.

[Rwake901]

Yes we have them on our 2015 Allegro. I think they are well worth the money. Takes away the top heavy feeling and improves the ride. I drove the Allegro with and without them, makes a world of difference in my opinion.

[rgatijnet1]

If it is a WH chassis, the chassis comes from the factory with urethane bushings that do the same thing as the Sumo springs, and look similar. Of course you can take them off and replace them but I doubt if you will notice any difference in the ride. Maybe a Ford will benefit but it is a waste of money on a WH chassis.

[hanko]

I had them installed on my 2014 tiffin 36LA. I drove the coach one year without them, this year with them. they do two things. one they stop the side to side motion, and they soften up the ride.

[two_travelers]

Installed them on our 2008 Winnebago on an F53. Did help the ride, but I don't think it was worth the $$.

[supercub]

Installed them on the front of a Workhorse Chassis, couldn't tell any difference.

[wildmanbaker]

Not Sumo, but Timbrens. They are in addition to the chassis springs, and yes they are worth it. They are both the same, except Sumo's are suppose to be urethane, warranty on both of them is the same. I like this type because there is no maintenance to them, no air lines to leak, no compressor needed, or control panel.

[fischer]

I am curios too , don't know anybody with them