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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

Beyond basic auto insurance

In addition to having enough liability protection, there are some other coverages you should consider:

Collision: Pays for damage to your car resulting from a collision with another car, an object or as a result of flipping over. It also covers damage caused by potholes. Even if you are at fault for the accident, your collision coverage will reimburse you for the costs of repairing your car, minus the deductible. If you are not at fault, your insurance company may try to recover the amount they paid out from the other driver’s insurance company though a process called subrogation. If the company is successful, you will be reimbursed for the deductible.

Comprehensive: Reimburses you for loss due to theft or damage caused by something other than a collision with another car or object, such as fire, falling objects, missiles, explosion, earthquake, windstorm, hail, flood, vandalism, riot, or contact with animals such as birds or deer. Comprehensive insurance will also reimburse you if your windshield is cracked or shattered; some companies may waive the deductible on the glass portion of this coverage.

Uninsured and Underinsured Motorist Coverage: Reimburses you, a member of your family, or a designated driver if one of you is hit by an uninsured or hit-and-run driver. Underinsured motorist coverage comes into play when an at-fault driver has insufficient insurance to pay for your total loss. These coverages are required in 19 states, but available in all. It is important to purchase the same amount of coverage for uninsured/underinsured motorists as you have for liability to others.

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