Originally Posted by Bob Landry
Measuring the rear was part of the old school thinking that was in effect in the days when trailers were towed with the family station wagon. Since then, that train of thought has disappeared and you are unlikely to find any mention of rear end height in any currently marketed hitch installation instructions.
Bob, please take a look at the instructions from Fastway (my hitch manufacturer) below. Go to page 15 of the instructions under the heading "Good adjustment". You will clearly see there the instructions from a somewhat prominent hitch manufacturer mentioning the height of the rear of the vehicle. Along with the recommendation that you record the measurements at the rear fender centered above the axle into the provided adjustment grid. Also reference page 17 regarding over-adjustment.
Yes, it is highly unlikely that if you are simply returning to unloaded weight on the front axle that you would run into this. But it IS possible to over adjust the WDH and remove too much weight from the rear. All I'm saying is be careful and measure everything.
I also agree that the misconception that the goal is to get "everything to ride level" needs to be addressed. Measuring the fenders to get your WDH setup correctly is only PART of the equation. Once you have it setup, you should weigh it to be sure.
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