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Friday, May 28, 2010

Cosworth Tuned Subaru WRX STI info

    Cosworth Impreza STI CS400


    Legendary tuner Cosworth has collaborated with Japanese car maker Subaru to develop the Cosworth Impreza STI CS400 based on the Impreza WRX STI 'hot-hatch'.

    The first genuine Cosworth-developed road car since 1996, the Cosworth Impreza STI CS400 is powered by a heavily tweaked 2.5-litre turbocharged ‘Boxer’ engine that produces 33 per cent more power than the donor car. Ddrawing heavily on Cosworth’s extensive Formula 1 experience, the engine, which drives all four wheels via a six-speed manual gearbox, boasts an impressive 294 kW and a 0-100 km/h time of just 3.7 seconds, making it one of the world's most accelerative hatchbacks. The quarter mile is covered in a brisk 12.75 seconds at a terminal speed of 172 km/h. Top speed is limited to 250 km/h.
    Cosworth Impreza STI CS400


    The Cosworth Impreza STI CS400 features an extensive range of Cosworth-engineered components in the engine, turbo system, exhaust, suspension, brakes and wheels, plus subtle improvements to the exterior and interior styling to create a truly distinctive high performance car with everyday hatchback practicality.

    Available in a choice of three exterior colours - Spark Silver, Dark Grey and San Remo Red - the Cosworth Impreza STI is, quite sadly, for the UK market only and is priced from £49,995 (AU$86,727). Only 75 units will be produced.

    Cosworth Impreza STI CS400 interior


    TECHNICAL SPECIFICATIONS
    New Cosworth Impreza STI CS400

    Body and Chassis
    Five-door, five-seat hatchback, with all-steel unitary construction body shell. Longitudinally-mounted petrol boxer engines driving the front and rear wheels (AWD) via a six-speed manual transmission.

    Engine
    STI 2.5-litre / 400 PS
    Name – Subaru Boxer
    Type – DOHC, horizontally opposed ‘flat four’
    Capacity – 2.5-litres, 2457 cc
    Bore & Stroke – 99.5 x 79.0 mm
    Compression ratio – 8.2:1
    Max power – 400 PS (295 kW) @ 5,750 rpm
    Max torque – 542 Nm (400 lb.ft) @ 3,950 rpm
    Valves – 16 (4-per-cylinder) with Dual AVCS
    Fuel system – Multi-point injection
    Construction – Aluminium cylinder block and heads
    Emissions class – Euro Stage 5

    Transmission
    Manual, Six-speed

    Gear Ratios
    1 – 3.636:1
    2 – 2.235:1
    3 – 1.590:1
    4 – 1.137:1
    5 – 0.891:1
    6 – 0.707:1
    Reverse – 3.545:1
    Final Drive (rear) – 3.900:1

    Drivetrains
    Full-time all-wheel drive with centre differential and viscous coupling, plus Vehicle Dynamics Control, Rear limited-slip differential, Front limited-slip differential and Si-Drive adjustable centre differential

    Suspension & Damping
    Front – Fully independent subframe-mounted MacPherson Struts, with Eibach coil springs and gas-filled Bilstein shock absorbers. Anti-roll stabiliser bar
    Rear – Fully independent subframe-mounted Multi-Link, Eibach coil springs and Bilstein gas-filled shock absorbers (adjustable) anti-roll bar

    Steering
    Type – Electric power-assisted rack & pinion
    Gearing – 2.5 turns lock-to-lock
    Turning circle (m) – 11.0

    Brakes
    Front – 355 x 32 mm ventilated discs with 6-pot callipers
    Rear – 316 x 20 mm vented discs with single-pot callipers
    ABS – Four-Channel anti-lock system with EBD

    Wheels & Tyres
    Alloy 18 x 8.5 inch, with 245 / 40 R18 directional tyres

    Dimensions (mm)

    Exterior
    Overall length – 4,415
    Overall width – 1,795*
    Overall height – 1,475
    Wheelbase – 2,625
    Front track – 1,530
    Rear track – 1,540
    Ground clearance – 140
    *excluding door mirrors

    Interior (all models)
    Headroom – 1,024 front / 951 rear
    Legroom – 1,091 front / 960 rear
    Shoulder room – 1,430 front / 1,426 rear
    Hip room – 1,384 front / 1,370 rear

    Capacities (all models)
    Fuel tank – 60 litres
    Luggage (VDA) – 301 litres (rear seats up) / 1,216 litres (rear seats down)

    Weights (kg)
    Curb weight (min.) – 1,505
    Gross weight – 1,980

    Performance
    Top speed / mph – 155 (electronically limited
    0-to-62 mph / sec – 3.7

    Fuel Economy (mpg)
    Combined cycle – [tbc]
    CO2 g/km – [tbc]
    Source URL: http://carrevieeeew.blogspot.com/2010/05/cosworth-tuned-subaru-wrx-sti-info.html
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