Subaru Impreza turbo specs

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Street version

(Europe 1999)

Competition version (1998)

WRC car

Engine

Aluminum head and block construction. Longitudinally mounted.

1994 cm3 92mm bore 75mm stroke, flat 4 cylinders, water cooled. 217 Bhp@5600 rev/min, 291 NM@4000rev/min. IHI turbo charger oil lubricated, water cooled (0.92 bar Max pressure) and intercooler. 2 OHC per cylinder bank belt driven. Compression ratio 8:1. 4 valves per cylinder. Oil cooler. MPFI engine management.

Aluminum head and block construction. Longitudinally mounted.

1994 cm3 92mm bore 75mm stroke, flat 4 cylinders, water cooled. 300 Bhp@5500 rev/min*, 480 NM@4000rev/min. Compression ratio 9:1. IHI turbo charger oil lubricated, water cooled (2.0 bar Max pressure) and intercooler. 2 OHC per cylinder bank belt driven. 4 valves per cylinder. Oil cooler. Water injection device.

Transmission

All wheel drive. Center and rear viscous coupler.

Epicyclical center differential with 50/50 F/R torque distribution. Five speed fully synchronized gear box.

Gear ratios:
1:3.55:1 58 Km/h
2:1.95:1 102 Km/h
3:1.37:1 146 Km/h
4:0.97:1 205Km/h
5:0.74:1 234 Km/h

Final drive ratio:
3.9:1

Single dry plate clutch hydraulically actuated.

3.9 turns lock to lock rack and pinion, power assisted steering

Prodrive 6-speed manual/semi automatic (non-sequential). A sequential box is fitted since 1999.

Torque split front/rear: 50/50. Electro-hydraulically controlled differentials.

Dual carbon plate clutch.

Power assisted steering with extra radiator in the hydraulic circuit.

Gear/differential ratios depend on surface.

Suspension

Front: Independent McPherson struts lower triangle, coil springs and hydraulic shock absorbers, antiroll bar.

Rear: Independent, double transverse arms, longitudinal and transverse arm coil springs and hydraulic shock absorbers, antiroll bar.

Front: McPherson strut, Bilstein, water cooled shock absorbers. The shock absorbers use a lubrification device for their piston.

Rear: McPherson strut with longitudinal and transverse link, Bilstein, water cooled shock absorbers.

Brakes

Front: Vented disks (29,4 cm) fixed 4 pot calipers.

Rear: Disks (26,6 cm) floating 1 pot calipers.

Nippon-Denso ABS (4 sensors).

Front: 368mm vented discs and 6-pot aluminum calipers (water-cooled for asphalt)

Rear: 310mm vented discs and 4 pot aluminum calipers

Chassis Monocoque, steel construction

Monocoque custom made and completely seam-welded body, parts in kevlar and aluminum.

Wheels/Tires 7"x16" wheels, 205/50ZR16 Bridgestone RE010 8"x18" wheels, Pirelli tires.
Dimensions Overall length: 4340mm

Overall width: 1690mm

Overall height: 1390mm

Wheelbase: 2520mm

Front track: 1465mm

Rear track: 1455mm

Car weight: 1320kgs

Overall length: 4340mm

Overall width: 1770mm

Overall height: 1390mm

Wheelbase: 2520mm

Car weight: 1230kgs

Performance 0-100Km/h acceleration: 6.1S

Max speed: 234Km/h

0-1000m acceleration: 26.3S

Not disclosed.

*: with 34mm turbo restrictor fitted

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