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 ...

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

On a final note, these calculations will compute the static compression ratio of the engine. There is also the dynamic compression ratio to consider, which is relevant to the camshaft timing.

When it comes to designing or building a new engine, it's imperative that a suitable compression ratio is chosen. High compression ratios maximise efficiency and power output but also increase the ...

When overboring an engine, the percentage of gain in compression ratio decreases as you add clearance volume and increases as you remove clearance volume, as we'll describe next.

You’ve heard the term compression ratio before, but have you ever wondered exactly what it means? Well, it’s time to explain exactly what compression ratio is, and why every carmaker is now ...

Because this new engine is claimed to be the world's first variable compression ratio unit. Swot up here!

The MCE-5 engine from MCE-5 Development in Lyon, France varies its compression ratio and uses a combined gear and rod-crank mechanism.

Infiniti will showcase its new variable compression ratio engines – the world’s first in series production, it claims – at the 2016 Paris motor show. Badged VC-T (Variable Compression ...

That's because Infiniti is planning to roll out the variable compression ratio engine for its next generation of cars.

The new Infiniti VC-Turbo engine (code-named KR20) is chock-full of interesting details that come with its variable-compression-ratio trick.