Page 11 of Model range by Porsche USA

model range the 911 gt3 models when the standard `sport mode is selected using a button in the cockpit up to 25 nm of additional torque is available in the medium rev range this is achieved by reducing the backpressure in the exhaust traction control see below is also switched to a highperformance setting both gt3 models feature porsche active suspension management pasm with a choice of two basic setup modes `normal mode is designed for general road driving and uneven race circuits while `sport is ideal for smoother track surfaces on the 911 gt3 rs pasm is specially configured for racing use in addition both cars are equipped with traction control tc featuring an automatic brake differential abd anti-slip regulation asr and engine dragtorque control edc drive is transmitted with high precision through a short-throw six-speed manual gearbox in contrast to the 911 gt3 the rs model has a single-mass rather than a dual-mass flywheel which is specifically designed for racing loads being lighter in weight it what can motorsport bring to everyday road driving an edge when you need it most offers a tangible improvement in engine dynamics in the first three gears in particular it revs smoothly and quickly to the performance is often equated with power ­ but never by porsche engineers for us it s more important to find the optimum balance between all contributing factors variocam variable valve timing on the inlet camshafts the air intake manifold has two resonance valves which optimise cylinder charging maximum power output is 305 kw 415 bhp at 7,600 rpm the engine a dry-sump lubrication system with external tank ensures uniform distribution even in long high-speed corners the 911 gt3 accelerates to 100 km/h 62 mph in just 4.3 seconds thanks to its lighter body and higher-revving engine the 911 gt3 rs requires as little as 4.2 maximum speed on both models is 310 km/h 193 mph engine-speed limit at 8,400 rpm both 911 gt3 models are powered by a 3.6-litre six-cylinder boxer engine with titanium connecting rods lightened forged pistons and rev limit is exceptionally high at 8,400 rpm maximum torque of 405 nm is available at 5,500 rpm · 22 · · 23 ·

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