Range Rover (LM) V8-4398cc 4.4L (M62) (2003)
Variable Valve Timing Actuator: Description and Operation
VCC System
Introduction
the variable intake valve timing system on the V8 is known as Variable Camshaft Control (VCC).
the V8 VCC system is a new system providing stepless VCC functionality on each intake camshaft. the system is continuously variable within its range
of adjustment providing optimized camshaft positioning for all engine operating conditions.
While the engine is running both intake camshafts are continuously adjusted to their optimum positions. This enhances engine performance and reduces
exhaust emissions.
Both camshafts are adjusted simultaneously within 20° (maximum) of the camshafts rotational axis.
This equates to a maximum span of 40° crankshaft rotation. the camshaft spread angles for both banks are as follows.