R rvmv Active Member Jan 31, 2023 #1 Trying to order a quick drain oil valve for a lycoming IO 320. Does anybody know what size threads for the oil drain plug holes? Maybe 1/2-14 NPT? Or does anyone know the part number from fumoto? Thanks!
Trying to order a quick drain oil valve for a lycoming IO 320. Does anybody know what size threads for the oil drain plug holes? Maybe 1/2-14 NPT? Or does anyone know the part number from fumoto? Thanks!
