Subaru EZ30D Engine - australiancar.reviews
At heavy loads and high engine speeds (i.e. above 3600 rpm), the valve would open to reduce airflow resistance – this created a 'scavenging' effect that allowed each cylinder to receive high-pressure waves of intake air as they rebounded off the opposite side of the manifold. For the EZ30D engine, the intake manifold, chain cover and ...
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