1999 Porsche 911 Carrera
Suspension, Brakes, Wheels

Suspension
As befits an ultra high-performance sports car, the new 911 has an independent suspension system. Like the Boxster and previous 911 models, the 1999 Carrera uses a MacPherson strut-type front suspension. The rear suspension is a unique five-link setup with Porsche's "Weissach" toe-in/toe-out correction for neutral behavior during cornering. In addition, the car features force-sensitive power-assisted rack-and-pinion steering as well as four-wheel disc brakes with ABS.

Both front and rear suspensions are made of forged and cast aluminum components and are attached to the car's structure via aluminum alloy subframes for improved isolation and chassis stiffness. Gas-charged shock absorbers are used front and rear.

The steering wheel features a telescoping adjustment and can be moved approximately 1.6 inches (40 mm) toward or away from the driver to comfortably accommodate any driver from a fifth percentile female to a 95th percentile male. With the new steering gear, for the first time mounted ahead of the front axle to improve steering response, the 911's turning circle has been reduced to 34.8 feet (10.6 meters).

New Brakes
Furthering Porsche's signature braking ability, the new Carrera is equipped with vented, cross-drilled front and rear brake discs equipped with four-piston single piece (monobloc) aluminum calipers. The monobloc calipers represent a 21 percent weight savings over the previous design and provide better brake pedal feel and superior brake cooling. These brakes are derived from Porsche's LeMans race cars.

To ensure lock-up free braking and continued steering control under emergency braking, even on slippery surfaces, the brakes are equipped with the latest Bosch ABS 5.3 anti-lock system. The front rotors are 12.53 inches (318 mm) in diameter and 1.10 inches (28 mm) thick The ..rear rotors measure 11.78 inches (249 mm) in diameter and 0.95 inches (24 mm) thick.

Wheels and Tires
Standard wheels are 17-inch diameter light alloy. Optionally available are 18-inch, hollow spoke wheels. The standard tires are 205/50 ZR17, front, and 255/40 ZR17, rear. Optional tires are 225/40 ZR18, front and 265/35 ZR18, rear. Tires are available from several manufacturers.

The 1999 911 Carrera is equipped with a high-pressure spare tire, replacing the previous model's collapsible unit. And, due to an increase in its size, the front luggage compartment now easily holds a flat tire.

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