"The power of the engine is transmitted to the rear axle by a racing clutch and a newly developed Porsche six-speed sequential gearbox with mechanical slip differential. The electropneumatic paddle shift system makes gear changes even faster and more efficient."
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Porsche six-speed sequential dog-type gearbox
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Gear ratios:
- Ring & pinion gear 14/22 i = 1.571
- Final drive 17/41 i = 2.412
- 1st gear 13/41 i = 3.154
- 2nd gear 17/40 i = 2.353
- 3rd gear 19/36 i = 1.895
- 4th gear 19/29 i = 1.526
- 5th gear 24/30 i = 1.250
- 6th gear 34/35 i = 1.029
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Internal pressure-oil lubrication with active oil cooling
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Limited slip differential
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Triple-disc sintered metal race clutch
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Pneumatic paddle shift system
Porsche 991 GT3 Cup: Technical Details -- Video Link