Rs

In porsche-speak, rs means a roadworthy 911 with a ravenous track day appetite. To close out the 997 generation, a new 911 GT2 RS rolls forth this fall as the fastest, most powerful production car ever to wear a Porsche crest.

The prospect of 600-plus horsepower restrained by less than 3100 pounds conjures up vintage 911 horrors: scary handling, a tail itching to wag the dog, speed and sensibility grossly out of sync. Early 911 RSs were rightly called widow makers by their keepers. Yet, while whistling through Germany's Black Forest on rain-drenched roads and while lapping the LUK Driving Center, the eleventh RS in a line that dates to 1972 demonstrated impeccable behavior—sensational speed, unshakable poise, and electric reflexes. This is the 205-mph 911 you can trust, even in dicey conditions.

To reach fighting weight, the RS has several carbon-fiber patches stitched into its skin. The hood, front fenders, parts of the front splitter and rear wing, several of the air-inlet and -outlet slats, and a panel surrounding the tailpipes are all molded in the light, stiff composite. The relatively flat panels are clear coated to let their weave shine through.

Other weight-saving measures include carbon-ceramic brakes, a lithium-ion battery, aluminum doors and suspension compo

This is the Porsche that finally eclipses the Carrera GT both on and off the racetrack.

nents, a single-mass flywheel, a titanium muffler and exhaust pipes, and specially wound suspension springs.

The interior is all business. There are no cupholders, steering wheel buttons, back seats, noise insulation under the rear carpets, or door handles. (Door latches are operated with red pull straps.) If you fancy the roll cage, track-ready bucket seats, and plastic windows that the Porsche Motorsport department engineered for this car, you'll have to use the buy-and-bolt-on approach, because they don't comply with U.S. safety standards. The radio and A/C system are delete options.

The heart of the beast is a 3.6-liter twin-turbo flat six with a lineage to the 1998 Le Mans-winning GTl's engine. Unlike the current 911 Carrera engine, this powerhouse has a four-piece cylinder block, port fuel injection, and dry-sump lubrication. Modern touches are variable lift and timing for the intake valves, an intake manifold that uses expansion to cool induction air, and variable-geometry turbos. Maximum boost pressure is 23.2 psi, exactly twice the boost available in a 911 Turbo. The intercoolers are thicker than those fitted to the regular GT2. From 2250 to 5500 rpm, this engine produces 516 lb-ft of torque. The power curve peaks with a hearty 612 hp at 6500 rpm just before the rev limiter kicks in at 6750 rpm. That's

72 Automobile October 2010

Porsche Classic Models

Porsche Classic Models

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