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Air Induction Supercharger for the Chevy Cobalt 2005-2009.

A great way to add power to the lackluster OEM installed engine is to add a supercharger or a turbocharger.  It works on a simple principle that pressurizes the air intake to above atmospheric pressure.  Turbocharger also do this.  However, the supercharger goes about it in a different way than the turbocharger.  The difference is their source of energy.  The turbocharger robs from the exhaust and the supercharger robs from the engines crankshaft either by belt or chain drive.

Supercharger pump more air into the engine than a turbocharger; however you will need to increase the fuel going into the engine too to ensure the engine operates efficiently.  The equation used is 14 parts air to one part fuel for optimum efficiency.  Supercharges not turbocharger can add on average 46 percent more horsepower and 31 percent more torque.   

There are three types of supercharger.  They are the Roots, the twin screw and the centrifugal and the main difference is how they move air.  Roots and twin screw which are less efficient use meshing lobes while the more efficient centrifugal supercharger uses an impeller.   Roots superchargers are large and sit on top of the engine and stick out of the hood, which are popular with muscle car and hot rod enthusiasts.  Twin screw superchargers are more efficient than the Roots supercharger.  Twin screw superchargers sit on top of the engine and are more expensive and louder than the Roots.  Centrifugal superchargers power an impeller at high speeds that can reach 60000 rpm.  These superchargers are small and attach to the front of the engine; they are the most efficient type of supercharger and can be found on many more cars.   

In addition to creating more power supercharger do not suffer lag as the turbocharger does.  Supercharger are driven by the crankshaft and require normal shutdown procedures.  Turbocharger is power by the exhaust and the Turbocharger require a 30 second idle time prior to shutdown in order for lubricating to cool down.   Supercharger installation doesn't require extensive modification as required of a turbocharger install.   Superchargers bolt to the top or side of the engine block.  Turbocharger require extensive modification to the exhaust system.  

Disadvantages of supercharger over a turbocharger are minimal but worth mentioning.  Superchargers place added strain on the engine, therefore the engine components need to be beefed up.  Supercharger are expensive to maintain and supercharger manufacturers recommend the high octane gas available be used.

Despite the added cost associated with superchargers and turbocharger they are still a cost efficient way to increase power for racing, towing or just adding excitement to your normal driving experience.  

Cobaltmania.com the place to buy air induction performance modification parts and accessories for your Chevy Cobalt.

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  • ·      ·      Supercharger is powered by the crank, turbocharger powered by the exhaust
  • ·      ·      Supercharger normal shutdown, turbocharger requires shut down procedures
  • ·      ·      Supercharger does not required lubrication, turbocharger does