Rear Suspension Enhancement Product for Class C Motorhome to Decrease Sway and Increase Ride Height

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Question:

I have a Dynamax RV on a promaster 3500 frame. It weighs around 11500 gross. What do I need to help with sway and it feels light in the front steering. Not a lot of clearance in rear, was hoping to get an inch or two higher.

asked by: Tim D

1

Helpful Expert Reply:

Assuming that your RV doesn't already have one, an anti-sway bar like # RM-1129-143 will keep your rear axle tied perpendicular to the frame which will be the most effective way to prevent the front end from getting squirrely on you. However, this option wouldn't affect your ride height.

If you already have the OEM anti-sway bar, the addition of SuperSrings # SSA11 will offer pretty effective sway resistance, but would also raise your ride height by about an inch and would also help reduce rear sag from the suspension. This is the best option we offer that would provide an increase in ride height.

Since you're also wanting to raise the rear ride height by a bit, the # SSA11 SuperSprings helper springs are what I'd recommend.

expert reply by: Mike L

1

Answer 1

The Roadmaster Rear Anti-Sway Bar #RM-1129-143 is going to mount just above the leaf springs on your ProMaster (pictured below in black and white). Judging by the pictures you've sent in the battery box doesn't interfere with where the sway…

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Answer 2

Best improvement we can help you with is a rear sway bar upgrade for your 2015 Ram Promaster RV with the Roadmaster sway bar #RM-1129-143. This will do the best job and improving the issues you mentioned. Since Ram built your vehicle without it…

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Answer 3

Hey Lenny, thanks for reaching out! We have 2 different colors of the SumoSprings Solo Custom Helper Springs that fit your 2023 Winnebago Solis Motorhome, and the colors are based off of the weight ratings assigned by SumoSprings rather than trying…

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Answer 4

Hey Terry, great question and I’m glad you’re checking on this since that lift does change things a bit. The SumoSprings you’ll want is part #SSR-302-54, and this kit does come with a 1/2 inch spacer. SumoSprings recommends having no more than about…

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Answer 5

Hey Charles, we have a yellow set of SumoSprings that fits your 2022 Ram ProMaster 1500 with the part #SSR-313-54. Are you trying to gain a little more stability?

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Answer 6

First you will want to check your 2,800lb SumoSprings Solo Custom Helper Springs #SSR-313-54 to determine if 2nd 1" spacer was installed with the springs. If you have both the 1" spacers you will want to remove the 1" spacer which…

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Answer 7

Hey Juan, good question. With a 955 lb tongue weight and a 34' trailer, I’d steer you toward the 1,500 lb SumoSprings. Even with a weight distribution hitch helping spread that load, you’re still putting a good amount of weight on the rear…

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Answer 8

For your 2018 Ram ProMaster 2500 the SumoSprings rear suspension kit you'll need is the part #SSR-313-54. This has the most support at 2,800 lbs which will be ideal since you will be converting your setup to a camper. I'd first try it with…

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Answer 9

Hi Michael! To pull an 8,000 pound trailer (safely) with your 2019 Ford F150 with the 5.0 V8, I recommend grabbing one of the following systems: Fastway e2 Weight Distribution w/ 2-Point Sway Control - Trunnion - 10,000 lbs GTW, 1,000 lbs TW…

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Rear Suspension Enhancement Product for Class C Motorhome to Decrease Sway and Increase Ride Height

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