Why do some Sports/Supercar engines “whine” while others “growl”?

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A Dodge Viper and a Lexus LFA both use a V10 engine, but a Dodge Viper has a very “deep” sound, but a Lexus LFA has a very high pitched whining sound?

What makes a car like a muscle car like a Mustang or Viper have such a different sound than a car like a Lamborghini or Ferrari when they use the same kinds of engines?

In: Engineering

20 Answers

Anonymous 0 Comments

A proper ELI5 is that engine ‘sound’ is determined by a lot of different things, so even engines that have the same number of cylinders can sound quite different.

Some of the different things include the engine displacement, the firing order of the cylinders, the shape and composition of the exhaust system, ignition and valve timing, and the use of forced induction.

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