Airplane engine improvements with Performance Coatings Racers, by their nature are pretty quiet about what secrets they use to give themselves that competitive edge to win. Unless you know someone well, seldom can you just walk up to a pit crew and expect to learn much. It helps if you have a friend. Ed Dear, pilot, A&P mechanic, neighbor, drag racer and race car builder. Ed's top-fuel racing license has two digits. He goes way back, has Don Garlits number in his phone. He's