Quote:
Originally Posted by RaceR
To make it simple. Example of better efficiency:
Engine 1: 150 hp, 180nm, 150g co2
Engine 2: 220 hp, 250nm, 150g co2 - More efficient compared to engine 1, same milage, more power.
Engine 3. 150hp, 180nm, 125g co2- More efficient compared to engine 1. Same power, less consumtion
(Wont bother going into detail about the power curves, and potential lag)
In Norway, a country with extreme taxes. The difference between 180g co2, and 130g is currently 8 grand in taxes! (USD)
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I see.
The transmission actually has a much greater role in engine efficiency than the engine itself, so it's not really a valid question to ask whether a supercharger or turbocharger would be more efficient, it depends on how you want to run the engines.
One consideration though is having reserve power available, which a supercharger delivers faster. A turbo will be super laggy in top gear.