True, engine designers have too much constraints. Its trying to get more power out of a light engine while at the same time cope with the aerodynamics of a pedestrian safe car (yeah go figure) at the same time making money for the company.
In the Autospeed test car, they had to reflash the ECU. Because anything moved to market in the 21st century would need to have the ECU control every single aspect of the combustion. Especially turboed engines. The irony is that you have this as part of the engine design doctrine but the marketing people wants the interior and suspension to be soft and plushy while at the same time able to connect to the Net or your phone or both; so people would want to buy it. Call it the 'Experience'. People want the 'Experience' of driving a car.
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