What Suspension Upgrades Should I Consider On A 2020 Thor Quantum KW29 Class C Motorhome

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Question:

What suspension upgrades should I consider on a 2020 Thor quantum KW29?

asked by: Jerry W

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Expert Reply:

Hello Jerry. If you are looking for suspension upgrades for your 2020 Thor Quantum Motorhome, I suggest you consider front and rear sway bars, a steering stabilizer and/or front and rear SumoSpring jounce springs. For improvements in ride quality and handling, the sway bars and steering stabilizer will give you the most noticeable results. Especially if you will be taking long trips at highway speeds. They will make your trips much more comfortable. Here is what I recommend for your motorhome:

- Roadmaster Front Anti-Sway Bar - 1-3/8" Diameter # RM-1139-176

- Roadmaster Rear Anti-Sway Bar - 1-1/2" Diameter # RM-1139-147

- Roadmaster Exact Center Steering Stabilizer w/ Custom Brackets # RM47MR

- SumoSprings Solo Custom Helper Springs - Rear Axle # SSR-130-47

- SumoSprings Solo Custom Helper Springs - Front Axle # SSF-106-47

Feel free to comment below if you have further questions about any of these products.

expert reply by: Jesse M

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Answer 1

Hey Ross, since your 2021 Thor Challenger 37FH is built on a 2020 Ford F-53 24k chassis the correct Roadmaster Exact Center is the part #RM42RR which comes with the correct brackets and does not require any drilling.

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Answer 2

Hello Pat, thanks for reaching out. Yes, we do have sumo springs that will fit your 2021 Thor Challenger 37FH. For the rear axle, I recommend the following: - SumoSprings Maxim Custom Helper Springs - Rear Axle #SSR-187-54-1 These are 7,000 lb…

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Answer 3

Hey Joe, if for some reason you needed a different pin out than what the Blue Ox Coiled Cord part #BX88206 has it is going to be much easier and smarter to change the pin out of the female connectors this plugs into than trying to open up the wiring…

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Answer 4

Taking a look at the Challengers captain's seats the covers that you looked at Classic Accessories RV Captain Seat Cover part #CA80112 would be a great choice. I really like how they have the anchors that go between the seat back and the seat to…

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Answer 5

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 6

Hey Doug! The Firestone Ride-Rite Air Helper Springs #F35FV are the right kit for your 2026 Ford F-350 FX4 dually. However, you will need to measure to be sure it fits. The distance from the top of your rear axle to the top of the jounce bump stop…

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Answer 7

Since the pin weight of your camper is 2.1k, I recommend going with the LoadLifter 5000 opposed to the 7500. While technically there is not reason you couldn't use the 7500 kit, it really is not necessary for a camper like yours. Generally the…

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Answer 8

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Answer 9

Hi Todd, I know exactly the feeling you’re describing, and you’re definitely not alone. That floaty, pushy feeling at highway speeds, especially when trucks pass, is really common on the Sprinter 3500 chassis with a taller coach like your Tiburon,…

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What Suspension Upgrades Should I Consider On A 2020 Thor Quantum KW29 Class C Motorhome

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