CONSTRUCTION
An intake manifold provided with an air intake chamber is used in order to reduce the swirl variances between the cylinders.
A vacuum-actuated swirl control valve is provided in one of the 2 intake ports provided for each cylinder. The swirl control valve consists of a stainless steel shaft and an actuator, which are integrated in the valve. The swirl control valve with 2-stage control is used.
| *1 | Intake Manifold | *2 | Actuator |
| *3 | Swirl Control Valve | - | - |