Fit pieces as per instructions. Sand edges, round corners and deburr all pieces. Dimple as needed and install nut plates. Bend louvers as described. River nut plates on F983A fuel valve plate, prep fuel valve cover and deburr. Install F782C and fit fuel valve plate. Fit cover and reinstalll firewall F601K to drill for nut plates. Remove and install nut plates on 601K. seeing some progress!