CTR Yellowbird
The RUF CTR, also known as the CTR Yellowbird or simply Yellowbird, was a supersport car from RUF Automobile GmbH from Germany. The car was made in limited edition.
The CTR was introduced as a model for 1987 and was based on the Porsche 911. The car had an enlarged and highly tuned version of Porsches 3.2 liter box engine, a lighter body design, improved suspension and braking system, a specially manufactured gearbox and bodywork adjustments such as fiberglass and air intake bumpers.
The car had 469 hp and weighed 1100 kg. As a result, the car reached the 100 km / h in 4.0 seconds and the car had a top speed of 340 km / h.
The nickname "Yellowbird" was by Road & amp; journalists Track magazine created because the cumbersome CTR they had at their disposal showed up due to the gray weather during the photo shootings. History
The CTR (Group C Turbo Ruf) was based on the 1987 Porsche 911 Carrera 3.2 instead of the already Porsche 930 turbocharger. This decision was made because the 3.2 had a lower weight and a better weight distribution. Standard body parts such as the doors, front cover and tailgate were replaced with aluminum versions, which meant that the weight gain was 200 kg. Bumpers of fiberglass and air inlets on the rear fenders provided better airflow to the intercoolers.
In addition to weight saving, the engine was also handled. The cylinders were drilled with a cylinder capacity of 3.4 liters. An improved Bosch Motronic gasoline injection system was also used and the ignition mechanism of the Porsche 962 racing car was used. A specially designed turbo with two large turbochargers and dual intercoolers designed for this car eliminated the work and provided a total power of 469 HP and a traction of 408 Nm at a speed of 5.950. Turbomotor protection was a whirlwind that resembled that of a canary, which contributed to the establishment of the name Yellowbird.
The Porsche 911 3.2 used a five-speed gearbox while the turbo-powered had only a four-speed gearbox because it was suitable for the great forces the engine delivered. Ruf was not satisfied with only four gears and it was not possible to properly adjust the five-speed gearbox. A new gearbox designed by Ruf was chosen. The relationships could also be determined by Ruf itself.
The car was completed by a new wheel suspension system, 17 inch lightweight Ruf wheels, 330mm Brembo brake discs and Dunlop sports sports tires.
Ruf released the CTR at the end of 1987 on the market for $ 223,000. It was also possible to convert a Porsche 911 3.2. Ruf made 29 CTRs of cars that came straight from Porsche. Most CTRs that were built were based on Carreras supplied by customers. Performance
Due to its low weight, the car performed better than other supersport cars of the time such as the Ferrari Testarossa and the Lamborghini Countach. Although a small number of other sports cars, such as the Ferrari F40 and the Porsche 959, had a higher acceleration, RUF CTR remained in charge of the top speed. The car was the fastest sports car in the world at the time of release.
The car was also suitable for racing on the track. It took a number of years for the roundabout on the Nürburgring. This is widely regarded as the world's toughest and heaviest circuit and is a standard test for (super) sports cars. Follow-up
The CTR was followed in 1996 by the CTR2 based on the Porsche 911/993. In 2007, the CTR3 appeared.
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