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I'm glad I adjusted mine down a little after level and Beamtech upgrade - they were too high. Aiming them down a bit helps light the road in front of the truck, AND doesn't blast oncoming drivers' retinas.
Side question: Since putting the Beamtechs in, I just noticed that they are on EITHER high or low beam all the time. I thought when I pulled back to bright someone that ALL the lights were on with the stock halogens. Now when I bright someone only the high beams are on. Can anyone confirm?