Cut out, trimmed and filed to size the NACA inlet hole for the rear seat vent in the instrument panel. Layed out 6 3/32 holes to accept rivets. Counter sunk a NACA inlet I purchased from Vans and dimpled sheet aluminum. Scotch Brited the area to receive adhesive and applied 3M 2216 b/a adhesive. Clecoed in place until cured.
