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 ...

Broadly speaking, the higher the compression ratio, the greater the engine’s thermal efficiency (that is, the more mpg you get). So why not run the highest compression ratio possible all the time?

Recently, when I went to the gas station, I hesitated for a long time while staring at the price tag on the pump. The price ...

But too high a ratio causes knocking—premature detonation of fuel-air mixture during the engine's compression stroke caused by high cylinder temperatures.

The engine can be adapted to use any shape for the combustion chambers and cylinder heads. Piston motion remains the same, with the same rod-to-crank ratio regardless of compression ratio.

Read on as we list ways to figure and measure your compression ratio, total piston volume, and choosing the best pistons. Read on for more details along with photos only in Mopar Muscle Magazine ...

Why variable compression ratio matters Today's gasoline-engine cars compress the outside air to about a tenth its original volume, a 10:1 ratio, inside each cylinder.

Forget variable length intakes and variable valve timing, Infiniti is going all the way and introducing variable cylinder compression ratios. The new VC-T turbo engine automatically adjusts ...

Check out this engine compression test, leakdown, and bubble tests. Read more only at www.highperformancepontiac.com, the official website for High Performance Pontiac Magazine!

A group of newer Nissan and Infiniti vehicle owners have presented a new class action lawsuit alleging that variable ...

The world's first production continuously variable compression engine setup, dubbed VC-T, will be first used in the Infiniti Q50 in 2018.

An interesting patent has been filed by Toyota for an engine with variable compression.The patent is for an engine with variable length connecting rods.The connecting rod features two hydraulic ...