Question 7 1 pts Technician A says a worn valve guide will cause valve lash to be reduced. Technician B says a weak valve spring will cause valve lash to be reduced. Who is right? OA only OB only O Both A and B ONeither A nor B Question 8 1 pts Technician A says cam lobes are ground with a small taper across the face to cause the lifter to spin. Technician B says flat-tappet lifters must spin to avoid wear. Who is right? OA only OB only