Naturally aspirated engine

A naturally aspirated engine, also known as a normally aspirated engine, and abbreviated to N/A or NA, is an internal combustion engine in which air intake depends solely on atmospheric pressure and does not have forced induction through a turbocharger or a supercharger.[1] Many sports cars specifically use naturally aspirated engines to avoid turbo lag.

Typical airflow in a four-stroke engine:
In stroke #1, the pistons suck in (aspirate) air to the combustion chamber through the opened inlet valve.

Share this article:

This article uses material from the Wikipedia article Naturally aspirated engine, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.