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Audi R8 'GTR' by PPI

G

glimmerman

Member
http://www.motorauthority.com/...razor-gtr-audi-r8.html


Following the unveiling of the original ?Razor? Audi R8 at the Essen Motor Show last year, German tuning firm PPI Automotive Design GmbH has announced plans to launch an even more aggressive version of the car at this year?s event and has released several preview sketches of the new car.

Picking up the ?GTR? designation, the latest model builds on the success of the original using knowledge PPI engineers have gathered over the past year from racing, wind tunnel development, and autobahn and track testing. The highlight of the package is an increased focus on optimising the power-to-weight ratio of the Audi R8, with engineers simultaneously boosting power while reducing weight.

The essential part of the motor alteration is the incorporation of a specially engineered supercharger. In addition, a ram-charged sport air filter system and a high performance exhaust system made of stainless steel have been designed and added specifically to work in conjunction with this new forced-induction system.

The end result is a car with 580hp (427kW) and 600Nm of torque. At the same time, the R8?s 1,580kg kerb weight has been reduced by more than 250kg, enabling the Razor GTR to accelerate from 0 to 100km/h in only 3.7 seconds and reach a top speed of 332km/h.

In addition to the improved speed performance, the car also has a striking widebody appearance with elaborate, wind tunnel tested aerodynamics. All the parts, including the new front bumper, diffuser, side skirts, and hood, are made from carbon-fiber.

Handling has been improved with the addition extra-wide 19in forged alloy wheels wrapped with 325mm Michelin Pilot Sport 2 tires in the rear and 255mm sets up front. Sitting within these is an updated brake package with six-piston calipers all around and 380mm discs up front and 356mm units in the rear. The final mod is a hydraulically adjustable suspension kit developed together with KW Automotive.
 
I don't get it.

If you want a faster, more hardcore, and more expensive R8, it already exists. It's called a Gallardo. The R8 is supposed to be (relatively) affordable, and visually sedate version of the lambo: as such, it lacks many of the weight-saving composite bits of the Gallardo and has a much smaller engine, all of which make it much more usable as a daily driver. What they've done here is reinvented the wheel.

Also, please consider the nature of supercharged engines. To produce 580 horsepower, a supercharged engine actually needs to produce 550 to 600 horsepower at the crankshaft - nearly 100 are required just to run the blower. That's quite a lot of extra horsepower out of an engine which, from the description, hasn't recieved much in the way of internal reinforcement.

Of course, one wonders what could have been done of these people had not been idiots and started with the very excellent Lamborghini LP560, which manages to produce only 20 less horsepower without the aid of forced induction. A hardcore trackday bruiser is not likely to appeal to the sort of middle manager who buys an Audi, but would likely be hailed as the second coming by fans of old school white-knuckle Italian madness.
 
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