According to J.D. Power, the PCV valve has been a part of just about every car engine since 1961, and it helps control emissions. As with any part, the PCV valve wears out, and since it's exposed ...
However, various valves have been adopted to deliver variable ... to win the 24 Hours of Le Mans race. The latest rotary ...
Naturally, for best power and efficiency at high engine speeds, the faster the valve reaches its full lift position, the longer it stays there, and the faster it closes, the better. Passenger car ...
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