I am in the process of re-doing the front end. What is the best paint / prep for the engine bay (firewall, frame, suspension, inner fenders, etc.) Both inner fenders will are new, firewall frame and everything else is down to bare metal. I do drive the car, so I want it to look good and also last. I rattle canned everything flat black about 7 years ago and it did OK. This time I welded the firewall hole and stripped everything down. Looking for suggestions on the paint; what works or doesn't work. thanks!!