leftybj wrote:
---If I buy a truck that does not squat down when I hook up the trailer, I won't need tension to level everything out.---
Even if you had zero rear-end squat, the TT still will cause load (probably around 400-500#) to be removed from the front axle.
Depending on which truck you get, the manufacturer might specify restoring 50-100% of that load.
If you get a 2012+ GMC/Chevrolet, they might say you don't need a WDH.
The Equal-I-zer's ability to resist sway is proportional to the amount of load transfer (bar load).
Without load on the spring bars, you will lose sway control.
Ron