Megular's is a crystalline wax and needs stripped every now and then. Wax from previous applications seed the crystallization of following coats, resulting in a gradually "coarser" texture to the wax, at a microscopic level. In polished aluminum tooling with little or no draft angle I have often...
Don't bother fooling around with anything too fancy in the way of changing the pressure, my experience with this has been that matching the cure profile is pretty tricky, and slight variations between batches make repeatability difficult. Quite often when you drop back the pressure, the...