A compression ratio calculation is pretty straightforward, but involves a little math. So, grab your calculator and let’s crunch some numbers.

In an effort to both increase engine efficiency and generate new, consistent, and reliable data useful for the development of engine concepts, a modern single-cylinder 4-valve spark-ignition research ...

Variable Compression Ratio Engines have been some sort of a Holy Grail, and now Porsche proposes a viable solution for this ...

ABSTRACT Combustion simulations and single cylinder engine tests show a clear potential when coupling the Variable Compression Ratio (VCR) engine with the Variable Valve Actuation (VVA) technologies.

The compression ratio isn’t just a number: it’s one of the greatest determining factors in engine building. Compression ratio determines the type of fuel, how much boost, and has a significant ...

How to Calculate Compression Ratio from Scratch As an example, let’s calculate the CR for a popular big-block Chevy application.