Quote:
Originally Posted by Maestro
I know exhaust was the main question of the post, but I see this a lot about the intake, and it's rarely really addressed, so I'm moving from lurking to posting around here...
The effects of intake modifications on pumping loss is very commonly misunderstood. The common assumption is that reductions in intake restriction will lead to reduced pumping losses. This is entirely FALSE at all engine loads other than WOT. On the typical NA engine, a certain amount of intake restriction is CRITICAL to running the engine, otherwise you'd be RPM's.
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you should really summarize this i read it three times and still can't really understand it lol