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      05-22-2013, 07:49 AM   #53
Needsdecaf
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Quote:
Originally Posted by Holset View Post
How about them using Variable-geometry turbocharger/s its popular in diesels were the technology can cope with the lower exhaust temperatures.
But Porsche said they have solve the problem with the use of VGT on gasoline engines ,the 997 Turbo uses it and i guess the newer 991 Turbo to.

http://en.wikipedia.org/wiki/Variabl...y_turbocharger
BMW uses twin scroll turbos to get much of that VGT bang for MUCH less buck. Those blowers are EXPENSIVE.