IS THE AUTOMOTIVE PRIMER A SUITABLE PRIMER FOR BODY FINISHING, I AM CURRENTLY USING THE LUSTROKOTE PRIMER, AT 7 BUCKS A POP IT IS POCKET DRAINING, SO I THOUGHT ABOUT USING THE AUTO PRIMER, MY PLANE IS EPOXY/ FIBERGLASSED LAMINATED, CAN SOME ONE TELL ME IF THERE IS AN ALTERNATIVE TO LUSTROKOTE AND ALSO WHAT DO YOU OR WHAT CAN YOU DO ABOUT ALL THOSE BUBBLES CAUSED BY LUSTROKOTE, I TRY TO SPRAY ON AS LIGHTLY AS POSSIBLE ON EACH COATING BUT CANNOT AVOID THOSE BUBBLES, HELP ME PLEASE EXPERTS