© 2019 Yuey Tan

The GT3 Cup Car

The Porsche 911 GT3 Cup (Type 991 II)

​

  • Single-seated, near-standard race vehicle

  • Based on the 911 GT3​

Recent Posts

BACK WHERE WE SHOULD BE!!!!

July 15, 2019

What an amazing circuit!

May 27, 2019

A Satisfying Start to the New Season!

April 15, 2019

THE NEW SEASON HAS BEGUN!

March 25, 2019

That time of year again!

February 20, 2019

Please reload

Archive

Please reload

Engine

​

  • Aluminum six-cylinder rear-mounted boxer engine

  • Sealed

  • 3,996 cm³; stroke 81.5 mm; bore 102 mm

  • Max. power: 357 kW (485 hp) at 7,500 rpm

  • Max. rpm: 8,500 rpm

  • Single-mass flywheel

  • Water cooling with heat management for engine and gearbox

  • Four valves per cylinder

  • Sequential multi-point fuel injection

  • Required fuel quality: minimum 98 octane, unleaded

  • Dry-sump lubrication

  • Electronic engine management (Bosch MS 4.6)

  • Race exhaust system with regulated race catalytic converter

  • Rear silencer with centered exhaust pipes

  • Electronic acceleration pedal

Transmission

​

  • Porsche six-speed sequential dog-type gearbox

 
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

​

  • Internal pressure-oil lubrication with active oil cooling

  • Limited slip differential

  • Triple-disc sintered metal race clutch

  • Pneumatic paddle shift system