I have my car sanded down to bare metal right now. I'm getting ready to put some filler on in some places. What is the best type of primer to get to put on after the sanding of the filler is done? Also, I need a type that once I have primed it and if additional body filler is required I will be able to respray over that. Are there any sealing primers that I can use? I have read that you can't spray sealing primer over body filler. Any help would be appreciated. Thanks.