well since the lower shock mount is connected to the plate under the axle, in theory if u flip that to the top of the axle, u would be shortening the length that the shock sits at leaving more travel in the shock once the axle does start to flex. alsso ur changing the angle of the shock, ive herd this make the ride a little stiffer. It just seems like a popular, cheap mod but i just dont get if its worth it. guess ill hafta see for my self. Thanks guys