What is the shroud on a turbo?
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right so its part of the compressor cover....if thats the case, which part of it should be ported for best possible results?
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A Ported Shroud is something specific to a compressor cover, in Garrett terms it relates to this:
Taken from: TurboByGarrett.com - Turbo Tech103
Andrew...
A Ported Shroud compressor is a feature that is incorporated into the compressor housing. It functions to move the surge line further to the left by allowing some airflow to exit the wheel through the port to keep surge from occurring. This provides additional useable range and allows a larger compressor to be used for higher flow requirements without risking running the compressor into a dangerous surge condition. The presence of the ported shroud usually has a minor negative impact on compressor efficiency.
Andrew...
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