Turbo charger effect

 

TURBOCHARGED ENGINES PROS AND CONS

turbocharged engine
Despite being small in size, turbo engine can produce as much horsepower as a large engine

Before proceeding to the pros and cons of turbocharging, let’s understand what turbocharging means and how turbocharging works. Turbocharging refers to the process in which the turbocharger uses a turbine to create more power from the engine and a compressor to help the engine get more air. The flow of engine exhaust gas causes the turbine to rotate, which in turn causes the compressor to operate. The compressor blows air into the engine faster than it can do on its own which improves the engine’s compression ratio.

PROS OF TURBOCHARGING

This section sheds light on the advantages of turbocharged engine.

  • Fuel Efficient — Despite being small in size, a turbocharged engine produces the amount of power a larger engine does by using less fuel. For example, if a naturally aspirated internal combustion engine produces 200 horsepower with six cylinders, the turbocharged engine can do so with just four cylinders.
  • Good performance at high altitudes — The air pressure is lower at higher altitudes which means the air-to-fuel ratio would be impacted and it would not be able to burn fuel efficiently. Through forced induction, the turbo engine forces more air into the engine thus enabling good performance in high altitude areas.
  • Reduced pollution — As compared to a naturally-aspirated internal combustion engine, a turbo engine produces less carbon dioxide and other noxious emissions, which means it’s more environmentally friendly and can reduce carbon footprint in cars.

CONS OF TURBOCHARGING

Now, let’s go over the disadvantages of turbocharged engine.

high-performance turbocharged engine
Overheating turbo engine can adversely affect the performance of engine components
  • Overheating: A car turbocharger, if an intercooler is not used, can generate excessive heat in the engine. This heat can cause car breakdown from heating, melting of engine components and even turbocharger failure. Using an intercooler can alleviate this problem, but is an expensive purchase as they are not usually sold in the kit with the turbocharger.
  • Turbo Lag: Turbo lag is a common problem faced by turbocharged engines installed in cars. In a turbo lag, the turbocharger takes longer to build up sufficient pressure in the combustion chamber to operate the engine when you press the gas pedal. Turbo lag is a result of a variety of factors, including the size and tuning of the engine, turbine efficiency and exhaust backpressure. Any car whose engine is experiencing a turbo lag will have difficulty maintaining high speeds and would not accelerate smoothly.
  • Engine Wears Out At a Faster Rate: The faster you drive, the more stress you put on the engine. When you add a turbocharger to increase acceleration, the engine works harder to move the car causing damage to your engine.

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