Well when I had 1800 lbs I had a WD hitch. I actually took the trailer off on the scales to get the 1800. It had like 1400 when the WD was hooked up on the first time. This last time I just took the two truck axle weights and removed the amount that I got from the truck weight from the prior weigh when I had the trailer removed. This is why I say it was 700lbs with WD hooked on. Which some of that weight was transferred back to the TT axles. So in regards to thinking about it again it seems like I might only have 800lbs of actual tongue weight and not 1000. So I probably should move a few more of the stuff sitting on the axles back up to the front to give it a few more lbs in the front.
The head I have now on the WD is older style and it was welded on. There is no adjustment as it would have to be cut off and re welded. Instead of thinking of doing that I just got a new WD system so I could adjust the head and get trailer level and then I will probably do that little more moving in the front and take it over and actually drop the trailer again to get accurate tongue weight of it so I know its 13% or so before I leave for this drive.