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What is the shroud on a turbo?

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Old 08 December 2006, 09:12 AM
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Neilo
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Default What is the shroud on a turbo?

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Old 08 December 2006, 09:17 AM
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P20SPD
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The neck that the inlet hose clamps to/entrance to the compressor cover.
Old 08 December 2006, 09:35 AM
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Neilo
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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?
Old 08 December 2006, 09:59 AM
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Guess it depends on the turbo, as i have seen different styles of porting.
Old 08 December 2006, 10:08 AM
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AndrewC
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A Ported Shroud is something specific to a compressor cover, in Garrett terms it relates to this:



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.
Taken from: TurboByGarrett.com - Turbo Tech103

Andrew...
Old 08 December 2006, 10:13 AM
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Neilo
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thanks thats great
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