# Calling Engineers (turbo idea)

**URL:** <https://forums.speedlife.net/t/calling-engineers-turbo-idea/43168>\
**Category:** NYSpeed Automotive\
**Created:** [February 9, 2008, 7:59am UTC](https://forums.speedlife.net/t/calling-engineers-turbo-idea/43168 "2008-02-09T07:59:07Z")\
**Posts on this page:** 1\
**Showing post:** 68

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**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\
**Post date:** [February 22, 2008, 11:51am UTC](https://forums.speedlife.net/t/calling-engineers-turbo-idea/43168/68 "2008-02-22T11:51:19Z")

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variable vane turbos are not the perfect solution, though. while they can help with things, changing the hotside A/R and leaving the compressor unchanged really isn’t that efficient, because at low RPM you are way outside the adiabatic efficiency zone of the compressor.

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