Turbochargers – Pump It Up
![](https://libraries.ne.gov/southsiouxcity/files/2022/05/turbo2.png)
By: Jim Marotta; Originally posted on blog.gale.com At 100 horsepower per liter, GM’s newer turbocharged 1.4L has the power of a larger engine but retains the efficiency of a small-displacement four-cylinder in most driving conditions. Courtesy GM A naturally aspirated automobile engine uses the downward stroke of a piston to…