I never weighed my TT. I have towed it for four years. 6,500# advertised unloaded. I too had to readjust after the dealer install. It is simple. Measure the distance from the top of your fenders to the pavement front and back and write down the measurements. Adjust the WDH until the difference of the measurements are the same or very close to the difference before being hitched up. Sounds like you need more weight transfered to the front axle.