How many people use the Infrared Light set up to cure your powdercoat? I have a few lights i bought and plan to use them.does anyone have any suggestions on how to use the lights in an oven style box to maintain and control heat? I did a test run to draw some oil out of the valve cover i did today worked pretty good but the valve cover only got up to 325*F and stayed there. So i assume i need to build me a box and try to keep the head in. Any help or suggestions would be awsome!