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Results tagged with tuning
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user 15182
Referring to the act of calibrating the Engine Control Unit (ECU) or Powertrain Control Unit (PCU). This is done for better performance, gas mileage, or to allow the components of the vehicle to run better after modification.
5
votes
How do these similar engines differ so much in power output?
So I think that you have most of the reasons in your question.
But I will list a few more that I think is possible:
Higher compression ratio
Different inlet manifolds
Probably larger valves
Lighter …
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