PORSCHE 911 GT3
The PORSCHE 911 GT3
In the words of Porsche: 'The ground up evolution of the chassis, brakes and engine over the current 911 Carrera makes the GT3 the most focused derivative of the new 911 to date and provides unprecedented ability on the road and track alike.'
A bold claim indeed, but a closer look at the technical specification of the car proves that these are not idle boasts. The 3.6-litre engine is based on the six-cylinder boxer engine already featured in the Le Mans-winning 911 GT1. Pushing out 37ONm of torque and 360 hp at 7200 rpm, it is a fine power unit. The engine features four valves per cylinder, variable valve timing, four overhead camshafts and variable intake manifold. Race-bred technology has been used to ensure high reliability. Typical of this are special surface treatments of the crankshaft and use of high-quality materials such as titanium con-rods.
All Porsches come with high-performance brakes and so the 911GT3 system is similar to the 911 Carrera, though enlarged and optimised in some major design features. As a result, the GT3 has even greater stopping power and shorter stopping distances than the 911 Turbo.
Power is transmitted via a six-speed manual gearbox developed from the 911GT2 racer. With motorsport use firmly in mind, attention has been paid to the quick and easy replacement of individual gears and parts. Rapid ratio changes are, of course, particularly relevant for racing applications. All six ratios in this gearbox are exclusive to the GT3 and have been carefully matched to the speed and performance of both the engine and the car.
The entire suspension of the GT3 has been designed and built for sporting performance, with specific enhancements to suit racing needs.
These include lowering the suspension by 30mm, using adjustable anti-roll bars and spring system, fitting adjustable axle geometry to suit racing tyres, reinforced swivel joints and front wheel bearings for use with racing tyres.
On the inside of the car, leather covered bucket seats replace the usual 911 seats and reduce the overall weight of the car by 20kg. A further 8kg has been saved by the removal of the rear seats.
The 911 GT3 comes in two model formats. The Clubsport version is designed to be ready to race and is supplied with a bolted in rollcage. The cage is anchored directly onto the body of the car, integrating the spring strut supports on the rear axle to enhance stability
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