Dynamic Compression Ratio + free calculator [TECH BIT TUESDAY]

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SUMMARY

What is dynamic compression ratio? It is not commonly known. Most are familiar with static compression ratio used to describe a characteristic of engine. But what is the difference of dynamic compression ratio vs static?

Static compression ratio uses the volume associated with a full sweep of the piston from bottom dead centre through to top dead centre. Dynamic compression ratio is governed by the stroke derived from when the intake valve closes which is normally after bottom dead centre.

Longer duration cams cause the intake valve to close later reducing the dynamic stroke and as such the dynamic compression ratio.

0:00 Intro
0:43 Dynamic compression ratio
3:28 Run through the free dynamic compression ratio calculator
4:36 Outro

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DISCLAIMER: I am not a mechanic or tuner. This video is for entertainment purposes only and is not to be used an instruction or a guide for your own activities. Copying modifications described in this video is at your own risk.

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Видео Dynamic Compression Ratio + free calculator [TECH BIT TUESDAY] канала Aaron Neubauer