1969 Chevrolet Brookwood Engine: 4.1L L6; Standard Rotation|Standard Duty Thermal Fan Clutch;. 1969 Chevrolet Brookwood Engine: 5.7L V8; Standard Rotation|Standard Duty Thermal Fan Clutch;. 1970 Chevrolet Brookwood Engine: 4.1L L6; Standard Rotation|Standard Duty Thermal Fan Clutch;.