Suspension Help - '18 Tundra w/ Occasional FWC

I purchased a Dobinson’s HD suspension kit back in 2020 from Mainline Overland with the thought that my Four Wheel Camper would be on it full time. Things have changed and it I tend to keep the FWC off the truck when I’m not using it. That makes for a very stiff ride when the truck has no load. I have Firestone airbags and Daystar cradles and the airbags do not touch the cradles when there is no load. I also notice that under load, the front rides a bit stiff and the back end tends to bounce a bit, especially off road. I barely inflate the airbags when the camper in on. On dirt roads, the ride is teeth rattling if there’s any washboard. There is around 30K miles on the suspension.

Here are details on my set up:

- Suspension: Dobinson's: HD leaf springs, Medium Duty in-line shocks & coils. SPC UCA's.
35” E rated Duratracs – 30K miles on them
- Front: 80lb ADD bumper plus 12Klb warn winch / RCI aluminum skid plates underneath. CBI rock sliders.
- Rear: Rigd mega swing out that has a 1up bike rack and often two 30lb mountain bikes on it. The 35” spare is underneath in the OE spare location.
- FWC Fleet is on plywood built stand and horse mat and it is a fully built out front dinette. ARB awning on the side and shower stall. Max Load ~ 1500lbs

I know the biggest culprit are the leaf springs. A shop has suggested removing a leaf and letting the airbags help more under load, which makes total sense. They also suggested upgrading the shocks to either a Dobinson's IMF or Accutune(d) Fox 2.5's w/ Reservoir's and DSC. I spoke to Accutune and they said the DSC could help, but it might be able to adjust for a max of 300lbs of load. It would be tuned to the truck for without load. I've also looked at Dobinson's MRA's with adjustable compression and rebound and Radflo's with adjusters. I'm in the PNW, so I want to stay away from Kings due to some of their issues with pitting and they don't sound like the best for my application. I had Fox's on my Jeep JK and they were great. I think reservoirs are necessary due to the load and the long miles for road trips and the long wash board roads that I take at higher speed when unloaded.

I would love to hear y'alls thoughts or experience with help on get a better ride when both loaded or unloaded. Or is this an impossible task with such a big weight swing with the camper? I've thought about lighter camper shells, but the wife likes the comfort of the FWC. I also like the it's easy to take on and off without having to worry about resealing for dust every time.

I'll post some pics. Edit: Truck is a DC if that makes any difference.

 

What did you wind up deciding here?