Quote:
Originally Posted by Kingtal0n
What you are describing is a constant, not a variable.
Wastegate 1 has an efficiency rating of 55%
Wastegate 2 has an efficiency rating of 75%
Due to their designs, 2 is more effective than 1, always, consistently, constantly.
Lets say we port #1 and make it more effective than 2,
the result will also be constant.
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The wastegates are the variable in my A/B test and I understand your variable is the downpipe itself, however this is where I think you're wrong. Removing restriction and adding more exhaust velocity through the turbine housing will not result in wastegate 1 with a constant efficiency rating of 55%. I believe this decreases at a non-linear rate when you realize the inside of a turbine housing is not just exhaust pressure and volume, but also like the exhaust of a jet engine.