I've heard good things about the mixers for home applications. I'm wondering if the problems people are experiencing are from low pressures. The valve works by shunting flow between hot and cold so you want good reliable pressure on both for the flows to be properly regulated. In the house you...
I've tried on 4runner alloy rims. I managed to get the tire off with the help of a Harbor Freight tire remover and tire irons (how easy it is depends on the tire). Not easy and the thing weighs more than a rim. To save weight maybe he could take a tire on an alloy rim which is quite a bit...