Quote:
Originally Posted by mikealike
I've looked at all turbos out there and was wondering what's the advantage and disadvantages?
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Most ported compressor shrouds accomplish the same basic goal. They allow air to bypass the inducer and feed the major portion of the compressor wheel directly. In some instances this is done for surge. When you run a fairly large compressor on a motor you can run very close to the surge line of the wheel at lower engine speeds and power outputs. By allowing some of the air to bypass the inducer and feed the major you keep the turbo off the surge line. The side benefit of this is the compressor map gets wider. It will actually help the turbo get up to full boost a bit sooner in addition to making it more efficient on the low end and shifting the surge line further left on the map.
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benefit from a anti surge compressor housing
Linear Mode
