Sumosprings/ Timbren for towing

[KVJ]

Mathew, @Gren71
When your trailer is attached, you want the Sumos to touch and possibly be compress a little. That is when you will feel the difference in stability in ride. If it is not touching, either get another spacer or something mounted to the strike plate to take up the space. When taking it for the test drive with trailer, deliberately run over some RR tracks or an elevated bump of some type. You will know right away what they are doing. When you are on a trip you will be glad you have them.

I had about 1 to 1-1/2" space between the Sumo and the strike plate.

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[Gren71]

Mathew, @Gren71
When your trailer is attached, you want the Sumos to touch and possibly be compress a little. That is when you will feel the difference in stability in ride. If it is not touching, either get another spacer or something mounted to the strike plate to take up the space. When taking it for the test drive with trailer, deliberately run over some RR tracks or an elevated bump of some type. You will know right away what they are doing. When you are on a trip you will be glad you have them.

I had about 1 to 1-1/2" space between the Sumo and the strike plate.

Ty

I actually have 2in rear bump stop extension plates coming. Just thinking they may make the sumos in contact constantly when the trailer is on.
https://www.cjponyparts.com/rockjoc...lac_guid=ee2d3cf9-9894-eb11-835a-0050568b5164


i do have a set if sumo spring inserts coming which in pretty stoked to try.

https://www.autoanything.com/suspen...dad3cdeb4fa6e3f82cf&utm_term=4580840325735336

 

[mx5red]

Ty

I actually have 2in rear bump stop extension plates coming. Just thinking they may make the sumos in contact constantly when the trailer is on.
https://www.cjponyparts.com/rockjoc...lac_guid=ee2d3cf9-9894-eb11-835a-0050568b5164


i do have a set if sumo spring inserts coming which in pretty stoked to try.

https://www.autoanything.com/suspen...dad3cdeb4fa6e3f82cf&utm_term=4580840325735336

Those coil spacers seem like something the Diesel crowd should be jumping on.

 

[KVJ]

I actually have 2in rear bump stop extension plates coming. Just thinking they may make the sumos in contact constantly when the trailer is on.
https://www.cjponyparts.com/rockjoc...lac_guid=ee2d3cf9-9894-eb11-835a-0050568b5164

It looks like they will do the trick. Do you have to drill holes for the bolts?

 

[Gren71]

It looks like they will do the trick. Do you have to drill holes for the bolts?

I don't think so, but I'm not sure. I have to wait for them to arrive to see the instructions and eyeball the fitment.

 

[BARTAN]

Thanks for this Thread , I ordered Sumo and they are arriving tomorrow. I am looking to do anything to eliminate sway as much as possible . I have an 25 ft Airstream 4700 lbs empty but airstreams are notoriously tongue heavy so I am guessing 800 lbs (will take it to Cat after setting up everything)

I have towed it close to 4K miles. I will follow up to this thread after install

 

[Gren71]

I don't think so, but I'm not sure. I have to wait for them to arrive to see the instructions and eyeball the fitment.

so yes i had to drill holes...2.5 hours later of taking my time and cursing a bit...theyre done.

2in rear bump stop extensions with the blue sumo springs bump stops.

 

[KVJ]

@Gren71

Man, you did a good job! I'm 72 and it was easy popping old out and new in but I would have had a tough time drilling. Tell us later after you've towed a trailer over uneven tracks or uneven roads.

Kenny

 

[Gren71]

@Gren71

Man, you did a good job! I'm 72 and it was easy popping old out and new in but I would have had a tough time drilling. Tell us later after you've towed a trailer over uneven tracks or uneven roads.

Kenny

Thanks! I will. Im actually grabbing the TT tomorrow night to take it in for service so ill have feedback soon.

and yea those extensions were a bit more involved than I wanted, but the end product looks nice.

 

[Gren71]

Pulled the TT today WOW what a huge difference

475lbs tongue weight
4750lbs dry weight forest river wolf pup
weight distribution hitch

sat good and level

the bumps in the road were way less noticeable

i had WAY less bounce after bumps

Without a doubt it was a perfect upgrade and worth the time and investment.

ill still be putting the spring inserts in whenever they arrive, just to see what they do.


sits good and level

sumo spring under pressure with weight. It was in constant contact with the TT attached

for comparison of the sumo w/o weight

 

[KVJ]

I was on pins and needles today wondering how it was going for you. I checked earlier in fact.
That is exactly how I felt when I installed Sumos in my Taco a few years ago. I'm glad you like them. Your pictures and review will help others who are wondering how to improve their rig set up. Your lift was an obstacle I was unsure about but you came through. Good show!

 

[Geekjeep]

Still too far. Going to add one more half inch plate. Clayton has an awesome set up for those that are unsure how much they need. They give you 4 .5 inch block

 

[Gren71]

Still too far. Going to add one more half inch plate. Clayton has an awesome set up for those that are unsure how much they need. They give you 4 .5 inch block

I liked their setup and actually ordered just the blocks hoping to make it happen without the base. But it didnt pan out, and the base is meant for 3in of lift if i remember right.

 

[Geekjeep]

How much space are you all leaving. Sumo gives a range right?

 

[Geekjeep]

After adding in a total of another inch of spacing. That’s why I like clayton kit. I can go up or down by half inch to get it perfect. If there’s not enough contact I’ll add. Too much. And I’ll take away

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