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Old 05-01-2021, 02:29 PM   #1
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Brand: Thor Motor Coach
Model: Four Winds 28A
State: California
Posts: 431
THOR #21941
Helper Springs vs Anti Sway Bar

We just purchased our 2021 Four Winds 28A and I have been doing a lot of research on suspension. Ours is built on the 2020 Chevy Express 4500 cutaway chassis.

Hellwig does not have a solution.

I recently had a conversation with the R&D guy at Roadmaster and he was able to confirm that their anti sway bars will fit (Front 1104-140, rear 1109-173)

SuperSprings makes helper springs for that chassis (SSA17).

etrailer.com has a great video where they installed the helper springs on a Chevy pickup with a 5th wheel trailer.

My question is which will give me greater sway control, the helper springs or the anti sway bar? I like the fact that the helper springs give the back end a lift (I hate dragging my rear end across those dips!). Maybe helper springs in the back and upgraded anti sway bar in the front?

Any help is appreciated!

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Wayne & Elissa
2021 THOR Four Winds 28A
Fallbrook, CA

Watchdog hardwired EMS, Alignment, Roadmaster front sway bar, vent covers, Dew Gutter
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Old 05-03-2021, 01:12 AM   #2
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Brand: Thor Motor Coach
Model: 2023 Jayco Precept 31UL
State: Florida
Posts: 2,916
THOR #1589
Maybe this will bump a response. Suggest you use the search feature here on the forum for each of those modification options.
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