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Triumph TR-7 (USA)

(1975 model)

Brief specs of 1975 Triumph TR-7 (USA)

2-door 2-seater fixed-head coupé, petrol (gasoline) 4-cylinder 8-valve straight (inline) engine, SOHC (single overhead camshaft), 1998 cm3 / 121.9 cu in / 121.9 cu in, 66.4 kW / 89.0 hp / 89.0 hp @ 5250 rpm / 5250 rpm / 5250 rpm, 135.0 N·m / 99.6 lb·ft / 99.6 lb·ft @ 2500 rpm / 2500 rpm / 2500 rpm, manual 5-speed transmission, rear wheel drive, 172 km/h / 107 mph / 107 mph top speed

units: metric UK US

Basic (general) data

Marque (make)TriumphIssued from1975
ModelTR-7 (USA)Issued until
SerieTRNumber made
Model familyBody construction
Model codeBody designation
ManufacturerTriumphCountryUK

Bodywork

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

Dimensions & Weight

Length4170 mm / 164.2 in / 164.2 inTotal (curb) weight
Width1681 mm / 66.2 in / 66.2 inDry weight
Height1267 mm / 49.9 in / 49.9 inLoad capacity
Wheelbase2160 mm / 85.0 in / 85.0 inGross (max.) weight
Track front1410 mm / 55.5 in / 55.5 inTowing weight
Track rear1410 mm / 55.5 in / 55.5 inWeight distribution (front)
Ground clearance90 mm / 3.5 in / 3.5 inFuel capacity55 l / 12.1 UK gal / 14.5 US gal
Length/wheelbase ratio1.93  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.81 m2 / 19.5 sq ft / 19.5 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 ManufacturerTriumphValves per cylinder2
Engine constructionBore90.3 mm / 3.56 in / 3.56 in
Fuelpetrol (gasoline)Stroke78.0 mm / 3.07 in / 3.07 in
Fuel detailsBore/Stroke ratio1.16
Fuel supply2 St carbsEngine displacement1998 cm3 / 121.9 cu in / 121.9 cu in
Engine Main bearings5Unitary capacity499.50 cm3/cylinder / 30.481 cu in/cylinder / 30.481 cu in/cylinder
Cam DesignSOHC (single overhead camshaft)Compression ratio8.0 : 1
SumpMax. output power66.4 kW / 89.0 hp / 89.0 hp at 5250 rpm / 5250 rpm / 5250 rpm
AspirationnaturalMax. torque135.0 N·m / 99.6 lb·ft / 99.6 lb·ft at 2500 rpm / 2500 rpm / 2500 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)26.6 kW / 35.6 hp / 35.6 hp (est.)
CoolantwaterSpecific output33.2 kW/l / 0.730 bhp/cu in / 0.730 bhp/cu in
Catalytic converterSpecific torque67.6 N·m/l / 0.59 lb·ft/cu in / 0.59 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears5
Wheel driverear wheel driveTop gear (drive) ratio0.83
  Final gear (drive) ratio3.9

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed172 km/h / 107 mph / 107 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio
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 locationfrontEngine alignmentlongitudinal
Steeringrack & pinionSteering details
Turns lock-to-lock3.87Turning circle
Suspension frontIndependent, MacPherson strut, Lower wishbone, Anti-roll (anti-sway) bar (ARB)Suspension rearLive axle, Trailing arm, Semi-trailing arm, Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontdiscBrakes reardrum
Brake diameter frontBrake diameter rear
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of Triumph TR-7 (USA)

Infobox

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There are several discount programmes offered by many insurance companies, which we summarized below. Availability of each discount, discount rates and age requirements may vary by insurance company and by state, indeed. Also be aware that certain types vehicles may not qualify, you should always check with your insurance provider.

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