It wasn’t until 1921 that Mercedes forced air into a car engine’s combustion chambers using a supercharger, and until 1962 that Oldsmobile became the first to integrate a turbocharger with the Jetfire V8 in its Cutlass. What if you could force more air into the cylinders? Starting with Karl Friedrich Benz’ single-cylinder “Motorwagen” engine in 1885, early automotive IC engines were naturally aspirated (NA), breathing ambient atmospheric air.Īir density varies with atmospheric pressure, and as development continued through the early 1900s, engineers recognized that denser volumes of air combined with additional fuel and well-timed spark ignition inside an engine’s cylinders produced a bigger combustion charge and more power.

Like human beings, they breathe in oxygen and exhale carbon dioxide (CO2).

Internal combustion (IC) engines are air pumps. Play icon The triangle icon that indicates to playĬhevy’s Small Block team realized those advantages by blending the best in state-of-the-art digital design and analysis tools, advanced materials, and manufacturing processes with five classical engineering approaches.

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