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Originally Posted by deth
umm i think it uses the same block as the gt3 and gt2, and the same turbos as the non-X50
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heres what i found off the porsche website.
The Porsche 911 Turbo will undoubtedly provide a driving experience that is one of the most compelling ever created. The origin of that experience is the proven Porsche philosophy of continuous evolution and refinement; not only in terms of outright performance, but also when it comes to personalization.
On today’s 911 Turbo, the options available include a comprehensive engine upgrade. Key modifications include larger compressor and turbine units together with uprated intercoolers and an increase in boost pressure from 0.8 to 0.9 bar. The finished product is a jump in outright power from 415 to 444 hp.
Maximum torque is raised to a remarkable 457 lb-ft, enabling rapid acceleration and enhanced flexibility over the entire engine speed range.
Given the extensive nature of the modifications to the engine and gearbox, this particular package is only available as a factory installed option.
its from:
http://content3.us.porsche.com/prod/...FFERENT TURBOS