IF THERE ISNT ANY PAINT OR BUBBLES OF THAT SORT...YOUR BASIC 1000 GRIT SANDPAPER SHOULD DO...SAND EM ALL, YOU CAN DO WET SAND OR DRY SAND...PRETTY MUCH EITHER WILL DO..LAY ABOUT 2-3 COATS OF PRIMER, THEN LAY YOUR BASE DOWN 3 COATS I SUGGEST...BUT TWO WILL SUFFICE, THEN IF U WANT TO CLEAR...2 COATS OF CLEAR SHOULD DO..THEN THATS ABOUT ITEXAMPLE PIC OF THE STARIONS I DID