The Audi Sport Quattro S1 is a logo of Group B rallying’s golden period, embodying each excessive efficiency and engineering innovation. Launched in 1984, the S1 was a specialised variant of the Audi Quattro, meticulously engineered for homologation functions to compete within the fiercely aggressive Group B rally class.
Engineering Marvel
On the coronary heart of the Audi Sport Quattro S1 is a 2,133 cc (2.1 L) inline-five engine, notable for its all-aluminum building. With a bore and stroke of 79.3 mm × 86.4 mm, and geared up with a KKK K27 turbocharger, this powertrain was designed to maximise efficiency inside the constraints of Group B rules. The engine produces 306 PS (302 hp) at 6,700 rpm and 350 N⋅m (258 lb⋅ft) of torque at 3,700 rpm. For competitors fashions, energy surged to roughly 450 PS (444 hp) because of enhancements that pushed the boundaries of the turbocharged engine’s capabilities.
The Sport Quattro S1’s physique featured carbon-kevlar building and was considerably modified from the usual Audi Quattro. It boasted wider wheel arches and bigger wheels (9 inches in comparison with the Ur-Quattro’s optionally available 8-inch wheels) to deal with the elevated efficiency. The automotive additionally sported a shorter wheelbase of 320 mm (12.6 in), which contributed to its agility and dealing with prowess.
A Racing Legacy
In its aggressive guise, the Audi Sport Quattro S1 made an indelible mark on motorsport historical past. The automotive gained the distinguished 1985 Pikes Peak Worldwide Hill Climb, pushed by the legendary Michèle Mouton, and set a document time within the course of. Solely 224 items of this “quick model” had been produced, every carrying a price ticket of DM 203,850.
Sport Quattro S1 E2: The Evolution
On the finish of 1985, Audi launched the Sport Quattro S1 E2, an developed model of the unique S1. This replace featured a 2,110 cc inline-five engine, producing a quoted 480 PS (353 kW; 473 hp). Nevertheless, the precise energy output exceeded 500 PS (368 kW; 493 hp) at 8,000 rpm, because of superior turbocharging expertise that minimized lag through the use of a recirculating air system.
The S1 E2 was visually distinctive with its aggressive aerodynamic equipment, which included distinguished entrance and rear wings and spoilers designed to boost downforce. The automotive’s weight was decreased to 1,090 kg (2,403 lb), enabling it to speed up from 0 to 100 km/h (62 mph) in simply 3.1 seconds. It additionally featured an modern “power-shift gearbox,” a precursor to trendy DSG expertise.
Debuting on the 1985 Rally Argentina, the S1 E2 achieved important success within the rally circuit, with notable victories together with the 1985 San Remo Rally, pushed by Röhrl and Christian Geistdörfer. The S1 E2 grew to become Audi’s last Group B automotive after the works crew withdrew from the championship following the 1986 rally in Portugal. The ultimate manufacturing facility variations of the S1 E2 had been rated at 600 PS (441 kW; 592 hp) and gained the 1987 Pikes Peak Worldwide Hill Climb, pushed by Walter Röhrl.
Shortlist
- Mannequin: Audi Sport Quattro S1
- Engine: 2.1 L Inline-5 Turbocharged
- Energy: 306 PS (302 hp) – Competitors variations as much as 450 PS (444 hp)
- Transmission: 4-Pace Guide
- Physique: Carbon-Kevlar, Wider Wheel Arches, Shortened Wheelbase
- Key Achievements: 1985 Pikes Peak Worldwide Hill Climb Winner, 1985 San Remo Rally Winner
- Manufacturing: 224 items of quick model; Audi Sport Quattro S1 E2 launched in late 1985 with as much as 600 PS (592 hp)
The Audi Sport Quattro S1 stays a revered icon on the planet of rallying, symbolizing an period of uncooked energy and unbridled enthusiasm in motorsport.
Supply: Audi & Wikipedia
This Article use instruments from Chatgpt
