valve timing is achieved by altering the rotational position of the inlet camshaft relative to the exhaust camshaft. valvematic, valvetronic, multiair & more next, we change how much, and for how long, the valves stay open. the best way to alter the amount and duration of opening is to do it continuously...
valve timing is achieved by altering the rotational position of the inlet camshaft relative to the exhaust camshaft. valvematic, valvetronic, multiair & more next, we change how much, and for how long, the valves stay open. the best way to alter the amount and duration of opening is to do it continuously...