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Unipower 998 GT

(1966 model)

Brief specs of 1966 Unipower 998 GT

2-door 2-seater fixed-head coupé, petrol (gasoline) 4-cylinder 8-valve straight (inline) engine, OHV (overhead valve, I-head), 998 cm3 / 60.9 cu in / 60.9 cu in, 41.0 kW / 55.0 hp / 55.0 hp @ 5800 rpm / 5800 rpm / 5800 rpm, 77.0 N·m / 56.8 lb·ft / 56.8 lb·ft @ 3000 rpm / 3000 rpm / 3000 rpm, manual 4-speed transmission, rear wheel drive, 166 km/h / 103 mph / 103 mph top speed

units: metric UK US

Basic (general) data

Marque (make)UnipowerIssued from1966
Model998 GTIssued until
Serie998Number made
Model familyBody construction
Model codeBody designation
ManufacturerUnipowerCountryUK

Bodywork

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

Dimensions & Weight

Length4166 mm / 164.0 in / 164.0 inTotal (curb) weight570 kg / 1257 lb / 1257 lb
Width1448 mm / 57.0 in / 57.0 inDry weight
Height1029 mm / 40.5 in / 40.5 inLoad capacity
Wheelbase2134 mm / 84.0 in / 84.0 inGross (max.) weight
Track front1240 mm / 48.8 in / 48.8 inTowing weight
Track rear1260 mm / 49.6 in / 49.6 inWeight distribution (front)
Ground clearanceFuel capacity27 l / 6.0 UK gal / 7.2 US gal
Length/wheelbase ratio1.95  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.27 m2 / 13.6 sq ft / 13.6 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders4
Engine Typestraight (inline) Total number of valves8
Engine ManufacturerAustinValves per cylinder2
Engine constructionBore64.6 mm / 2.54 in / 2.54 in
Fuelpetrol (gasoline)Stroke76.2 mm / 3.00 in / 3.00 in
Fuel detailsBore/Stroke ratio0.85
Fuel supply2 SU carbsEngine displacement998 cm3 / 60.9 cu in / 60.9 cu in
Engine Main bearingsUnitary capacity249.50 cm3/cylinder / 15.225 cu in/cylinder / 15.225 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio9.0 : 1
SumpMax. output power41.0 kW / 55.0 hp / 55.0 hp at 5800 rpm / 5800 rpm / 5800 rpm
AspirationnaturalMax. torque77.0 N·m / 56.8 lb·ft / 56.8 lb·ft at 3000 rpm / 3000 rpm / 3000 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)15.9 kW / 21.3 hp / 21.3 hp (est.)
CoolantwaterSpecific output41.1 kW/l / 0.903 bhp/cu in / 0.903 bhp/cu in
Catalytic converternoSpecific torque77.2 N·m/l / 0.67 lb·ft/cu in / 0.67 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio3.44

Performance

Acceleration 0-50 mph (80 km/h)8.70 s / 8.70 s / 8.70 sTop (maximal) speed166 km/h / 103 mph / 103 mph
Acceleration 0-60 mph (97 km/h)12.60 s / 12.60 s / 12.60 sPower-to-weight ratio96.5 kW/ton / 73.1 bhp/ton / 73.1 bhp/ton
Acceleration 0-100 km/hFuel 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 circle9.1 m / 29.9 ft / 29.9 ft
Suspension frontIndependent, Double wishbones, Coil springsSuspension rearIndependent, Double wishbones, Coil springs
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontdiscBrakes reardrum
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Unipower 998 GT

Infobox

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