Good Sam Club Open Roads Forum: Truck Campers: Timbren vs. Sumo Springs
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 > Timbren vs. Sumo Springs

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DieselBurps

SLC

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Posted: 08/20/19 07:57am Link  |  Quote  |  Print  |  Notify Moderator

Spoke with Timbren, they recommend th single convoluted because the double convoluted could 'flip over' on itself. Now I am really confused because it seems most here have the double convoluted.

This is going on a Ram 3500 cab and chassis by the way total camper weight is around 3,500 lbs loaded up.

Bedlam

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Posted: 08/20/19 08:57am Link  |  Quote  |  Print  |  Notify Moderator

Before adding additional suspension, I would look at preloading the existing more. With just additional preloading of my upper and lower overload springs, I was able to carry a heavy camper without increasing the spring rate. If you still need help additional help after preloading, that is good time to start looking for additional suspension support or swapping out your existing springs.

Although I do not have experience the Timbren and Sumo springs, I did experiment with a similar concept using Energy Suspension and Torklift upper StableLoad spring pads. The Energy Suspension pads compressed more giving a softer ride, but compressed too much for my use and didn't negate my sag. Your use of one these springs will depend not only on how much additional weight you want to suspend but how much clearance you have between the stop and the spring and how compressible it is under load.


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MORSNOW

Mountain Home, ID

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Posted: 08/20/19 08:33pm Link  |  Quote  |  Print  |  Notify Moderator

I have the HD's which are single convolute, they have been great.


2014 Wolf Creek 850SB
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7,220# Truck/10,400# Camper Fully Loaded


GeoBoy

Bennington

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Posted: 08/20/19 09:32pm Link  |  Quote  |  Print  |  Notify Moderator

What year is you Ram 3500 cab and chassis?

DieselBurps

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Posted: 08/21/19 06:18pm Link  |  Quote  |  Print  |  Notify Moderator

2018 ram cab and chassis

GeoBoy

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Posted: 08/21/19 08:25pm Link  |  Quote  |  Print  |  Notify Moderator

DieselBurps wrote:

Spoke with Timbren, they recommend th single convoluted because the double convoluted could 'flip over' on itself. Now I am really confused because it seems most here have the double convoluted.

This is going on a Ram 3500 cab and chassis by the way total camper weight is around 3,500 lbs loaded up.

The only thing that Timbrens maybe concerned about is the double convolute would slip off the axle tube, because there is no flat landing pad on the axle. If you go with the single convolute you can always remove that 1” thick rubber spacer to custom tune the ride and ride height.

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