Recommended Front and Rear SumoSprings for Thor Class C on 2018 Ford E-350 Chassis

Question

Question:

I see you are recommending sumo springs ssr 106 47 1 and ssf 106 47 for a 2018 thor 22ft class c on a 350 chassis I have the same and trying to flat tow 2018 gmc canyon 4x4 #4600 lbs. empty all set up to tow roadmaster/rvi brake this set up is miserable to drive if any road or weather conditions arent perfect I am installing sway bars, from you safe t steer and rear track bar are these sumo springs the way to go ? on a average load about how much Hight gain ? you answerers and thoughts would be appreciated thanks

asked by: Robert C

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Expert Reply:

For a 2WD 2018 Ford E-350 Class C cutaway chassis I recommend the SuperSprings rear axle kit # SSR-130-54 which is rated for 2800-lbs. Kit # SSR-106-47-1 will be too stiff.

Since a flat towed vehicle does not really load tongue weight on the Thor's hitch the way a trailer does the kit # SSR-130-54 will correct for most of the sag without making the ride too hard. I ran this thinking past my tech contact at SuperSprings and he agreed. For a front axle kit he suggested # SSF-106-40.

expert reply by: Adam R

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Answer 1

If you are going slow in your drive (or anywhere you might suspect is too steep) then using the skid wheels, #UF48-979017, will not damage anything. The damage would come from a sudden hard impact and even then it would have to be a pretty major…

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Answer 2

For your 2016 Sunseeker Class C motorhome built on a 2015 Ford E-450 chassis the SumoSprings Maxim Kit part #SSR-106-47-1 would be what you need and work well with your rear suspension that has air bags. This kit installs on top of the spring pack…

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Answer 3

I would be happy to verify the correct front and rear SumoSprings for your 2019 Coachmen Leprechaun 319MB motorhome, which was built on a Ford E-450 chassis. You were right on the front SumoSprings, but the rear application is different. In regards…

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Answer 4

Wind gusts are definitely something that can be difficult to deal with when driving a rig like yours and we do have solutions that will help ease your drive. The SumoSprings Solo Custom Helper Springs #SSR-130-54 can be helpful in this regard, but…

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Answer 5

I can certainly help you find an upgraded suspension option for your 2021 Thor Axis Motorhome on a Ford E-350 chassis. For your front suspension, go with SumoSprings Solo Custom Helper Springs #SSF-106-47. For your rear suspension, go with…

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Answer 6

For your 2019 Thor Vegas 27.7, which was built on a Ford E-450 chassis, the SumoSprings I recommend are: - Front Axle: SumoSprings Solo Custom Helper Springs #SSF-106-47 - Rear Axle: SumoSprings Solo Custom Helper Springs #SSR-130-54 These…

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Answer 7

According to my research, your 2017 Thor Axis 25.2 is on a Ford E-450 Chassis which means the correct set of SumoSprings for you is part #SSF-106-47 for the front and part #SSR-130-54 for the rear. These two items will do an excellent job of…

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Answer 8

The Replacement Awning Extension Rod for Solera Slide-Topper Awning item #LC3452072 (black) and item #LC3452071 (white) is going to be the closest we can get to 19" long. This is a 3/4" hex bar that is 18-5/8" long. This replaces the…

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Answer 9

Yes, the Replacement Awning Extension Rod for Solera Slide-Topper Awning #LC3452072 that you referenced measures 3/4". I actually recently took this same measurement for another customer for the white version part #LC3452071 and I'm…

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Answer 10

For your 2017 Ford E-450 Motorhome you are definitely going to want the higher capacity SumoSprings Maxim item #SSR-106-47-1 over the Solo Custom Helper Springs item #SSR-130-47. The Maxim have a 5,000 lbs capacity that will help keep your RV level…

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Answer 11

Yes, SumoSprings will help to reduce the sag on your 2017 Coachmen Freelander 21RS on the E-450 Ford chassis. They do this by providing additional support to the suspension to prevent it from compressing as far and reducing sway when driving. I…

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Answer 12

The correct SumoSprings Custom Helper Springs for a 2016 Coachmen Leprechaun Motorhome on Ford E-450 Chassis is part #SSF-106-47 for the front and part #SSR-106-47-1 for the rear.

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