What can superchargers do for an engine?
- Ignition Source
Naturally aspirated engines rely on atmospheric pressure and the action of the piston to draw air into the combustion chamber. This air then mixes with the gas and is then ignited by the spark plug. This process does not maximize engine potential.
Superchargers are basically air pumps designed to make horsepower by pushing more air into the combustion chamber than a naturally aspirated engine could pull on its own. When fuel has more oxygen to react with, is more efficiently consumed, and as a result produces a more powerful explosion to push the pistons down with more force. It is because of this that a supercharger can add substantial torque and horsepower to your vehicle. At the low RPM’s, torque gains can be dramatic. Often rear wheel torque can rise to the range of 400 ft-lbs at slightly over 2000 RPM. Since most driving is done between idle and 4500 RPM, superchargers are most often optimized to operate most efficiently in this band where torque is most felt.
What does this mean for me?
For a truck that may weigh in excess of 5000 lbs, the torque and horsepower gained by supercharging will dramatically reduce engine strain required to get the truck moving as compared to a normally aspirated engine. The result is greater towing capacity, the ability to pull heavy loads up a long grade with far greater ease and increased fuel economy.