Making things incrementally better.
If you were at the Toronto auto show this past week, you likely saw the new GT3 Cup car that was front and centre at the Porsche stand. It may look much like the outgoing race car, but there have been some significant changes to what is now the 991.2 generation GT3 car.
This new version of the Porsche 911 GT3 Cup features a fully overhauled powerplant, a 4.0-litre flat-six capable of 485 horsepower. Power to the rear wheels is channeled through a sequential six-speed transmission, while the car weighs just 1,200 kilograms.
Changes to the powertrain include a valve drive with rigidly mounted rocker arms and central oil feed (a first for the GT3), an integrated oil centrifuge used to optimize oil defoaming in the engine, and a crankshaft with significantly increased rigidity.
Much of these changes have been made with the goal of reducing maintenance of the vehicle. According to Porsche, the new car manages double the engine and transmission run times between servicing, and results in 30 percent lower maintenance costs.
Traction also gets a healthy bump thanks to a new front apron and rear end which increases downforce. The typically fat Porsche rear tires stay the same at 315 millimetres, with 270 mm width rubber at the front.
Safety is as always a priority, with the new car seeing a larger rescue hatch in the roof in accordance with new FIA regulations. The driver is protected by a solid safety cage and molded racing bucket seat with emphasis on protection around the shoulder and head area.
Since 1998, a total 3,031 GT3 Cup cars have been produced across model lines 996, 997, and 991. This makes the Porsche GT3 Cup the most produced, and best selling GT car in the world.
GT3 Cup cars are built on the same production line as the road-going 911 GT3 at Porsche's main plant in Stuttgart-Zuffenhausen. Each car sees basic race tuning performed at the Weissach motorsport centre, including thorough testing by a professional race driver prior to customer delivery.
Cars have been available for customer order since September last year at a price of $284,900.
The new Porsche race car will make its North American racing debut this year in the Ultra 94 GT3 Cup Challenge Canada by Yokohama in the Platinum Cup Class.
Live photos: Kanishka Sonnadara / Motor1 Canada