Mark
Sorry I'm late on this post of yours but let me see if I can help if you still need it. Do you?
Changing TT weight loads and even PU truck bed loads for sure affect the setup of the WD hitch. How much they change depends on a number of things, some being,
1st was the WD hitch setup properly to return the TV front end back to unhitched weight and height for your Chevy?
2nd Did moving gear around in the camper and truck bed actually change the loaded tongue weight?
3. WD bars size and the actual loaded TT tongue weight and truck bed extra gear weight.
You are poking in the right places to wonder about making hitch adjustment however we cannot tell here if more or less WD bar tension is needed. We do not know enough about the truck setup in the first place.
Something to help tell if the WD on your Chevy is right is to measure truck fenders before and after hitching up. See this pic. Measure all 4 fenders and write down the numbers. Hitch up and then the front should come very close to unhitch height when the WD is engaged and adjusted right. The rear will be compressed by about 1" to 1 1/2" neiborhood. Do not over compress on the front end if you have torsion bar front end suspension.
I can predict Chevy rear fender drop fairly well but need to know bed loads and TT tongue weight along with WD bar sizes but those 1” to 1 ½” is the range you will end up in. If the rear is 2 plus inches lower and the front ½ to ¾” higher, then things are not adjusted optimally. And you do not want the rear back at unhitched height either as you took to much weight off for TT towing. Also to note left and rigth side of the truck may differ. Just what is the realtionship to the front/back of the truck on the same side.
TV WD is needed as a major component for sway control, however TT tongue weight is right up there with it.
Do you know your loaded TT tongue weight when you add the water and new batteries? Having tongue weight too low can be one of the larger contributors to sway.
If you need more, ask away. It might be you just need a WD setup health check to see where exactly you stand normally. And once understood, you can make your own adjustments as needed.
Hope this helps
John
PS do you have any side pics of the hitch setup on the TT and truck? I can tell a lot from the pics on what you have and if things are needed to be adjusted along with the fender heights,
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Current Sunlines: 2004 T310SR, 2004 T1950, 2004 T2475, 2007 T2499, 2004 T317SR
Prior Sunlines: 2004 T2499 - Fern Blue
2005 Ford F350 Lariat, 6.8L V10 W/ 4.10 rear axle, CC, Short Bed, SRW. Reese HP trunnion bar hitch W/ HP DC
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