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Proto Spirra V8

(2005 model)

Brief specs of 2005 Proto Spirra V8

2-door 2-seater fixed-head coupé, petrol (gasoline) 8-cylinder 32-valve V engine, DOHC (double overhead camshafts, twin cam), 4601 cm3 / 280.8 cu in / 280.8 cu in, 238.6 kW / 320.0 hp / 320.0 hp @ 6000 rpm / 6000 rpm / 6000 rpm, 427.0 N·m / 314.9 lb·ft / 314.9 lb·ft @ 4750 rpm / 4750 rpm / 4750 rpm, manual 6-speed transmission, rear wheel drive, 280 km/h / 174 mph / 174 mph top speed

units: metric UK US

Basic (general) data

Marque (make)ProtoIssued from2005
ModelSpirra V8Issued until
SerieSpirraNumber made
Model familyBody construction
Model codeBody designation
ManufacturerProtoCountryKR

Bodywork

Base platformNumber of doors2
Bodywork typefixed-head coupéNumber of seats2
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4238 mm / 166.9 in / 166.9 inTotal (curb) weight1090 kg / 2403 lb / 2403 lb
Width1930 mm / 76.0 in / 76.0 inDry weight
Height1175 mm / 46.3 in / 46.3 inLoad capacity
Wheelbase2580 mm / 101.6 in / 101.6 inGross (max.) weight
Track front1546 mm / 60.9 in / 60.9 inTowing weight
Track rear1638 mm / 64.5 in / 64.5 inWeight distribution (front)
Ground clearance140 mm / 5.5 in / 5.5 inFuel capacity71 l / 15.6 UK gal / 18.8 US gal
Length/wheelbase ratio1.64  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.93 m2 / 20.7 sq ft / 20.7 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders8
Engine TypeV engine Total number of valves32
Engine ManufacturerValves per cylinder4
Engine constructionBore90.2 mm / 3.55 in / 3.55 in
Fuelpetrol (gasoline)Stroke90.0 mm / 3.54 in / 3.54 in
Fuel detailsBore/Stroke ratio1
Fuel supplyEngine displacement4601 cm3 / 280.8 cu in / 280.8 cu in
Engine Main bearingsUnitary capacity575.13 cm3/cylinder / 35.097 cu in/cylinder / 35.097 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio
SumpMax. output power238.6 kW / 320.0 hp / 320.0 hp at 6000 rpm / 6000 rpm / 6000 rpm
AspirationturbochargedMax. torque427.0 N·m / 314.9 lb·ft / 314.9 lb·ft at 4750 rpm / 4750 rpm / 4750 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)93.6 kW / 125.6 hp / 125.6 hp (est.)
CoolantwaterSpecific output51.9 kW/l / 1.140 bhp/cu in / 1.140 bhp/cu in
Catalytic converteryesSpecific torque92.8 N·m/l / 0.81 lb·ft/cu in / 0.81 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears6
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed280 km/h / 174 mph / 174 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio293.6 kW/ton / 222.4 bhp/ton / 222.4 bhp/ton
Acceleration 0-100 km/h4.60 s / 4.60 s / 4.60 sFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range

Chassis

Engine locationmiddleEngine alignmenttransverse
Steeringrack & pinionSteering details
Turns lock-to-lockTurning circle
Suspension frontIndependent, Double wishbonesSuspension rearIndependent, Double wishbones
Wheels frontWheels rear
Tyres front225/40 x 18Tyres rear255/35 x 18
Brakes frontventilated discBrakes rearventilated disc
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Proto Spirra V8

Infobox

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