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Open Roads Forum  >  Truck Campers

 > VIDEO: Installing new 4400 pound 6+1 rear leaf springs

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Camper_Jeff_&_Kelli

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Posted: 08/07/21 12:55pm Link  |  Quote  |  Print  |  Notify Moderator

Don't think I ever shared this. Simply the best modification to the truck for the camper I've done. It's a little rough ride empty but with the camper on, it's excellent. I kept the Firestone air bags for a new reason, Instead of running 80 pounds in them to level the truck, now I put 20 pounds in them as a third center of span support for the frame. The shackle points are a few feet apart and the frame over the wheels is unsupported carrying a lot of weight. It occurred to that if I keep using the air bags, they would act to relieve some of that force on the frame. It may or may not help but I thought it a reasonable conclusion. The truck handles the load so much better, drives flatter and not nearly so bouncy. If you have thought to install bigger springs in your truck, this is the video for you.
Installing bigger Springs, 4400# 6+1 on a 2000 F-250


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Supercharged111

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Posted: 08/07/21 07:50pm Link  |  Quote  |  Print  |  Notify Moderator

Why not just add the F350 upper overload? I'll admit I didn't watch the video.


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Camper_Jeff_&_Kelli

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Posted: 08/07/21 08:23pm Link  |  Quote  |  Print  |  Notify Moderator

Supercharged111 wrote:

Why not just add the F350 upper overload? I'll admit I didn't watch the video.


The video is there for people who are interested and thinking about doing some suspension modification to better handle their load.
The old springs were sagging or flattened and the left side was 1-1/2 inches lower than the right side unloaded. This solved that problem. Since I was going to replace the springs, I might as well get springs that can handle the load, especially since I regularly haul heavy construction materials and the camper is on the truck for months at a time. It was a winner for me. I plan to install front 3 leaf springs soon. My front left spring is sagging too so that will fix that problem. With the upper F-350 overload spring, the truck still has to drop a bit to engage it. More than what I do with my bigger springs. For me. the bigger spring is the better choice, much cheaper than upgrading to a larger truck.

Oregun

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Posted: 08/07/21 09:40pm Link  |  Quote  |  Print  |  Notify Moderator

How heavy does your truck/camper weigh on rear axle on the scales.
Video looks familiar, maybe you posted it a couple years ago?

Camper_Jeff_&_Kelli

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Posted: 08/07/21 10:57pm Link  |  Quote  |  Print  |  Notify Moderator

Oregun wrote:

How heavy does your truck/camper weigh on rear axle on the scales.
Video looks familiar, maybe you posted it a couple years ago?

My camper tag says 2950 wet. It's had a few things added to it. 200#. Then when loaded with all our stuff, cameras and electronics, clothes, all the canned and other food, My guess is we hit 4000 pounds or there about. most of my camping is down a gravel road but we do hit developed camping. My load rating is 2800, less the tailgate will bring us closer to 3000. My tires are rated 3400# each. Like most, our truck is over loaded by a few hundred pounds. The brakes are inspected and replaced regularly.

JimK-NY

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Posted: 08/08/21 05:44am Link  |  Quote  |  Print  |  Notify Moderator

Obviously if the existing springs had been overloaded and were damaged and sagging, then a new spring pack would have been the only solution.

When starting with springs in new or decent condition, I recommend adding SuperSprings. The installation is really simple and the wheels do not even need to be removed. In addition the preload can be adjusted so the truck rides well unloaded. I would also get rid of the airbags. Mine rotted within a few years but they also added a lot of sway even at fairly low pressure. If something more than SuperSprings is needed, I would replace the airbags with Timbrens. They are maintenance free, last the life of the truck and the unloaded ride is unchanged.

sweeperman210

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Posted: 08/08/21 02:33pm Link  |  Quote  |  Print  |  Notify Moderator

I love my timbrens on my 2021 F350 dually with a AF 990

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

sweeperman210 wrote:

I love my timbrens on my 2021 F350 dually with a AF 990


My guess then is that this video might not be geared for you [emoticon]

3 tons (no longer overloaded - lol)

JoeChiOhki

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Posted: 08/27/21 04:37pm Link  |  Quote  |  Print  |  Notify Moderator

Been planning to do this with either Portland Spring or ordering the ready made 4000lb rated packs from Stengle Brothers for the Dodge to reduce its dependency on the Air bags for load leveling.

It already drives and rides like there's no springs at all in the rear, so, bigger stiffer packs isn't going to make it any worse than it already is [emoticon].

* This post was edited 08/27/21 04:48pm by JoeChiOhki *


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StirCrazy

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Posted: 08/28/21 03:11pm Link  |  Quote  |  Print  |  Notify Moderator

Im wondering why you decided to keep the air bags? nice video but I found it very hard to watch with two soundtracks. some times it better to get rid of the original sound if your going to do an after the fact nararation.

Steve


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2016 Cougar 330RBK

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