Quote:
|
Originally Posted by emory70
i could see having some type of system like that to make a car with a very narrow powerband easier to drive in the real world. but it's a crutch, not a power maker. they would need that extra scavenging cause the engine is out of its happy place.
|
Talk to the designers of BMW car engines. Their variable back pressure system keeps the engine in it's happy place over a very wide RPM range. This is actually old technology now and I would not be surprised if a large % of cars have this to meet emissions while still providing performance and economy