Fiat Abarth 1000SP
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| Fiat Abarth 1000SP[1] | |
|---|---|
| Overview | |
| Manufacturer | Abarth |
| Production | 1966–1970 |
| Designer | Mario Colucci |
| Body and chassis | |
| Class | Group 4 sports car Group 6 prototype sports car |
| Layout | RMR |
| Related | Fiat 600 |
| Powertrain | |
| Engine | 984 cc I4 |
| Transmission | 5-speed manual |
| Dimensions | |
| Wheelbase | 2,200 mm (86.6 in) |
| Length | 3,445 mm (135.6 in) |
| Width | 1,605 mm (63.2 in) |
| Height | 930 mm (36.6 in) |
| Curb weight | 480 kg (1,058 lb) |
| Chronology | |
| Successor | Abarth Classiche 1000 SP[2] (spiritual) |
The Fiat Abarth 1000SP (Sport Prototype) is a Group 4 and Group 6 sports racing car built by Abarth in 1966 and 1970.[3]
The car was built by engineer Mario Colucci, and based on the mechanics of the Fiat 600 extensively modified, to participate in the races reserved for Group 6 sports cars. For this reason, 50 road specimens were built to obtain homologation for racing.[4]
Overview

The car uses a tubular steel frame chassis and a DOHC inline 4-cylinder engine; making 105 HP with a twin-shaft cylinder head, placed in a central position capable of pushing the car up to a maximum speed of 230 km/h (140 mph). This engine was equipped with two Weber 40 DCOE carburetors, while the lubrication was a wet-sump with a separate oil filter. The gearbox was a five-speed manual. The front of the vehicle was particularly sharp to allow a good flow of air through two openings that led to the engine coolant radiators. The suspensions in the front section were equipped with superimposed wishbones, stabilizer bars, coil springs, and telescopic shock absorbers, while in the rear section there were tubular oscillating arms, stabilizer bars, and coil springs, and telescopic shock absorbers. The bodywork was made of plastic to lighten the overall weight.[5]
