GT33 with wrap around exhaust

GT-33 is in a class of its own.Like the GT22 it has the rear mounted Walbro carb with reed valve induction and almost bullet proof CDI ignition. It has the muscle to swing larger props, and it stands out for many other reasons, too. The GT-33 runs more quietly than comparable engines while exceeding their output, Once again O.S. has produced a gas powerhouse for the serious pilot!