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 ...

Another benefit to a diesel engine is that the higher compression ratio aids in engine braking. For pickups, diesel engines are great for towing heavy loads over long distances and typically ...

Compression Tests When discussing a compression test, the question always comes up about how the results are indicative of the engine's compression ratio. The blunt answer is they are not.

This engine, capable of operating on both LNG and diesel, represents a significant step towards decarbonisation in the ...

The compression ratio describes the volume of an engine cylinder when the piston is at the top versus the bottom of its travel.

Other than the fact it can adjust its compression ratio between 8:1 for high performance and 14:1 for maximum efficiency, the Infiniti VC-T can adjust its displacement.

Here's what they've come up with: The gasoline-powered, four-cylinder MCE-5 VCRi (for Intelligent Variable Compression Ratio) engine uses a two-state turbocharger, displaces 1.5L and pumps out an ...

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

N issan’s original variable-compression powerplant is an absolute marvel of engineering. This little four-cylinder wonder is ...

If your car is getting older or you feel like you may be losing some engine power, a compression tester can help sort out the problem.

The next-generation Infiniti QX50 crossover will be powered by a turbocharged four-cylinder engine introducing a technology never seen before in a regular production vehicle: variable compression.