Originally Posted by LaydBack
Would be nice to know what setup, but your lack of tongue weight will not allow the hitch to distribute weight back to the trailer axles and forward to the steering axle. This will probably make for an unpleasant towing experience, and in the case of the Reese dual cam, you won't get much if any sway control.
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Not sure that I can agree with all of that.
IMHO opinion, heavier spring bars will still distribute the weight, but the ride will be stiffer.
In the case of a deep dip, like entering a service station, the stiffer spring bars will not bend as much as properly sized spring bars, and may actually put to much weight on the front TV axles, and over-stress the receiver and trailer tongue.
When initially trying to setup the WDH on my 700 lb. tongue weight trailer with 800 lb. bars, I didn't like tilting the head assembly back so far, so I bought 1200 lb. spring bars. I did not like the ride with those. The back of the truck felt stiff. I went back to the 800 lb. bars, tilted the assembly head back almost all of the way, and got the weights were they were supposed to be. The 1200 lb. bars are still sitting in my garage.
A 750 lb. tongue weight is getting close to the 800 lb. spring bar upper limit, so 1000 or 1200 lb. spring bars may be needed if proper weight distributing is not obtained in all trailer weight scenarios (camping gear distribution, water tank levels, etc.)
Here is a chart from Etrailer with suggested spring bar uses: