Understanding Engine Performance: TDC, Compression, and Valve Overlap Dynamics

Feb 06, 2026

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This article explores key terms and concepts in engine performance, focusing on TDC (Top Dead Center), compression, and blowdown phases. We delve into the significance of EVO (Exhaust Valve Opening), BDC (Bottom Dead Center), and IVC (Intake Valve Closing) in optimizing engine efficiency. By examining the degrees of engine cycles, we provide insights into how these parameters affect performance and fuel efficiency. Enhance your knowledge of engine mechanics and improve your understanding of how timing and compression contribute to overall power output.

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Understanding Engine Performance: TDC, Compression, and Valve Overlap Dynamics

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