General Studies · IC Engine Components
Why do high-performance engines require sufficient valve lift along with a larger inlet valve diameter?
- 1To improve volumetric efficiency and enhance the scavenging effect.✓
- 2To deliberately decrease fuel economy at lower speeds.
- 3To minimize the structural rigidity of the cylinder head.
- 4To simplify the manufacturing design of the valvetrain.
Correct answer
To improve volumetric efficiency and enhance the scavenging effect.
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