I waited a week for Jason @ Anderson Hitch to respond with the compression in inches/ pounds of pull on the chains/ball, with noresponse so I tightened the chains/ compression springs from the inadequate 7 threads to 9 threads (about all I could get with the socket provided by Anderson). It seemed that even if I had a deeper socket I could not have gotten more compression. The urethane spring is now compressed to 2 17/32". The trailer is dead on level, and the suburban is level within a 1/2". Here is the distribution per the CAT scale:
TRUCK ONLY FRONT 3660, REAR 3280
Without WD
TV and TT front 3200, rear 3760 (+960 TW), TRLR Axle 7000
With WD
TV and TT, front 3400, rear 3480 (+960 TW) ,TT 7220 )
The total trailer weight may have changed by 200+ because the hot water heater and 12-15 gallons in the fresh water tank behind the axle was added between weighs.
The trailer pulled on the freeway in light winds better than this trailer has ever pulled. I hope that I can get some comment on whether the transfer is enought to be in an acceptable range. As I said everything is level and the trailer pulls better than ever (without my dealer provided round bar setup that had become worn at the receiver bar holes.
I am very happy unless someone bursts the bubble necessarily.
Renojack