The advent of turbochargers on road cars began in the mid-1960s, during the muscle car era when the phrase ‘there is no replacement for displacement’ meant more power output was best achieved with higher displacement engines. However, turbocharged engines demonstrated that in many cases, more power could be accomplished with a smaller displacement, while fuel efficiency is improved, and exhaust emissions are reduced. In simple terms, a turbocharger supplies air under high pressure and density with a high concentration
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