...Positioning NACA intake;plenum intake...Aligned NACA duct inside cowling so that it allowed the intake plenum to fit between the engine mount when in position. Also sanded inside upper and lower intake openings on cowl so that the fiberglass air intakes for rads will fit. Shortened length of intakes to fit cowl installed. Paul modified coffee can to use to connect air intake hose to filter. Added 3 nutplates to sandwich coffee can base to air plenum.