Andrews Thunderstroke 111 CamshaftsIndian 111 engines are already a performance favorite. Installing a set of three new Andrews cams is the best way to more power. All Andrews cams use Landis CNC cam grinders and computer-designed lobes. Indian 111 engines are already a performance favorite. Installing a set of three new Andrews cams is the best way to more power. All Andrews cams use Landis CNC cam grinders and computer-designed lobes. Intake Opening (degrees): 08. Intake Closing (degrees): 30. Exhaust Opening (degrees): 33. Exhaust Closing (degrees): 04. Intake Duration (degrees): 218. Exhaust Duration (degrees): 222. Intake Lift (in): .550. Exhaust Lift (in): .550.