Quote:
Originally Posted by Lucas
unless you can explain to me otherwise
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It has an effect in the real world in terms of time until boost, rather than rpm until boost on a dyno. You're right in that mass flow rate/pressure is what spools turbos, but a the improved off boost power will get you above your boost threshold sooner. Semantics, sure. But a higher compression turbo engine will be more "responsive" in the real world.
Quote:
Originally Posted by coyote
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Umm.. He's right you know. Volumetric efficiency and pressure drop across the exhaust valves/ports has a huge effect on turbo spool.