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.
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Car Sold! Pleasure being a part of the Z community.
New ride: 2015 GT-R - 647 WHP / 641 WTQ (e85) & 543 WHP / 519 WTQ (91)
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