Intake Manifold Construction; Construction; Sequential Dynamic Air Intake System (S-Dais) Outline - Mazda RX-8 2004 Service Highlights

INTAKE MANIFOLD CONSTRUCTION

Construction

• Composed of the SSV, VDI valve, APV (13B-MSP (High Power)), APV motor (13B-MSP (High Power)), jet air
fuel mixing nozzles, and body.
(13B-MSP (STANDARD POWER))
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SEQUENTIAL DYNAMIC AIR INTAKE SYSTEM (S-DAIS) OUTLINE

• The S-DAIS increases intake air amount and combustion efficiency by controlling the size of the intake ports
and the air length in the intake pipes according to engine condition. By a combination of the S-DAIS and side
intake and exhaust port configuration, high torque and high output are obtained at a wide range of engine
speeds from low to high.
• For a description of S-DAIS control, refer to S-DAIS control (See 01–40–14 SEQUENTIAL DYNAMIC AIR
INTAKE SYSTEM (S-DAIS) CONTROL OUTLINE.).
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INTAKE-AIR SYSTEM
VDI VALVE
SSV
APV MOTOR
JET AIR FUEL MIXING NOZZLE
(13B-MSP (HIGH POWER))
APV
CHU011313100S02
01–13
CHU0113S009
CHU011300113S05
01–13–7