Variable Area Turbine Nozzle

Gauge · 09-19-2011, 11:38 AM

Quote:

Originally Posted by Nixlimited

Yes, Porsche uses variable vane turbos in their 997+ turbo models. I have also been very interested in getting this tech into other cars, like my old STi. The issue is there is not the selection of available turbos out there like there are with conventional turbos. That and you need an additional controller to control the position of the vanes. I don't see this becoming a realistic aftermarket option for a long, long time.

I think I will email them and see if there is interest if they would be willing to design a turbo.

The obvious advantage is having a completely contained oil system, and low RPM (supposedly) boost. Also the elimination of a wastegate and gradual boost, instead of a spike.

I thought you don't need a controller for these? Maybe adjust the rate at which exhaust flow is increased.

I'm learning fast, thanks to the book, and I want to do something unique to my car. Instead of just slapping on the standard GTM/Stillen stuff.

Also from a daily drivable standpoint, gradual boost is a necessity for me, but I don't want to have the leeching of a SC (can't have cake and eat it too). I wouldn't expect these to be perfect by any means, but maybe at least more gradual than traditional turbo's

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