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bkenobi's avatar
bkenobi
Explorer
Aug 21, 2018

Upgrading Ram suspension for TC

I have a 2016 Ram 3500 SRW Cummins and use it with a 10'2" NL TC. In stock configuration it has 33" tires and rakes down in the front unloaded. When the TC is loaded, it's slightly nose up (~1" or so). It doesn't sway unless I corner and hit a bump. I have only driven 1 other TC so I can't say how this compares to a typical setup and whether it's good/bad. My friends was a DRW F350 with a AF 811 and HEAVY steel stock trailer. He was way overloaded and it was really hard to drive. My setup looks fine and drives pretty nice IMO.

I am getting close to needing new tires at 40k and have been planning all along to jump to some wider 35's with an offset rim. Tire store advised that it would be less likely to rub if I leveled the front end. I've been considering that anyway due to the unsightly rake when unloaded.

So, my question is about how to configure things. If I level the front (2" is typical), it will work fine unloaded. When I add the TC, it will be significantly nose high (presumably ~3" high). I could add a stable-load, but TorkLift suggested that it isn't adjustable and unless I'm lucky it won't be level. I could add a helper spring but I'm not familiar with them to know if that's a good approach. I've been looking at air bags and they seem like a good option but if I unload at a camp site I assume I'll have to air down to avoid lifting the bed above neutral. That means I'd need a compressor or to hope a fuel stop is close enough to air up. If I did go with a compressor and air, has anyone used the auto leveling kits (e.g., SmartAirII)? Are these gimmicks or worth the money? The TC is pretty much level without air, so the only reason to go dual path would be to keep it from tipping side-to-side I assume.

Also, when unloading with air do you air down first or as you raise the TC? The way it is now, the back of the TC makes first contact and sort of pivots down to the front. With a leveling kit wouldn't I have the other situation when unloading? Could that result in hitting the truck's roof with the cab over? If it had auto leveling, I assume that would only work with the key in and running, so would it be better in that configuration to run the truck while loading/unloading? I'm not trying to over think this, I just don't understand the little details.

Anyone with experience recommend anything?
  • I'm running a 2015 RAM 3500 4x4, Cummins, Crew Cab, long bed. I've got a helwig big wig sway bar and timbrens. I currently have a Lance 1010. Unloaded there's 1 1/4 inches between the timbrens and the rear end. With the camper loaded the truck sits down on the timbrens. I feel it rides real good with the camper on with this setup. No significant sway and the ride isn't harsh at all.
  • Kayteg1 wrote:
    Even I don't need air bags on my present dually, I had them on 3 previous trucks.
    My favorite set was to run the air tubings inside the cabin and have Firestone dual valve/gauge mounted on floor next to driver seat, so I could see it when I enter the truck.
    For inflation you don't need much air, so even $10 12V compressor will work for some time. Those wear out fast and I finally ended with Firestone portable compressor that I was plugging into cigarette lighter and had schrader valve on dual valves.
    The only thing to remember was not to start the compressor under pressure, or the fuse would blow. 140 psi is no joke.


    Reason why you don't need air bags is Ford's are stouter in the rear than late model Ram's.