Triumph Spitfire Mk I (1964) convertible (cabriolet) - technical specifications of 1964 Triumph Spitfire Mk I

Triumph Spitfire Mk I

(1964 model)

Brief specs of 1964 Triumph Spitfire Mk I

2-door 2-seater convertible (cabriolet), petrol (gasoline) 4-cylinder 8-valve straight (inline) engine, 1147 cm³ / 70.0 cu in / 70.0 cu in, 47.0 kW / 63.0 hp / 63.0 hp @ 5750 rpm / 5750 rpm / 5750 rpm, 91.0 N·m / 67.1 lb·ft / 67.1 lb·ft @ 3500 rpm / 3500 rpm / 3500 rpm, rear wheel drive, 148 km/h / 92 mph / 92 mph top speed

Marque (make)	Triumph	Issued from	1964
Model	Spitfire Mk I	Issued until
Serie	Spitfire	Number made
Model family		Body construction
Model code		Body designation
Manufacturer	Triumph	Country	UK

Marque (make)

Triumph

Issued from

1964

Model

Spitfire Mk I

Issued until

Serie

Spitfire

Number made

Model family

Body construction

Model code

Body designation

Manufacturer

Triumph

Country

Base platform		Number of doors	2
Bodywork type	convertible (cabriolet)	Number of seats	2
Bodywork designer		Cargo capacity (volume)
Passenger space (volume)	3050 l / 107.71 cu ft / 107.71 cu ft	Max. cargo capacity (volume)

Base platform

Number of doors

Bodywork type

convertible (cabriolet)

Number of seats

Bodywork designer

Cargo capacity (volume)

Passenger space (volume)

3050 l / 107.71 cu ft / 107.71 cu ft

Max. cargo capacity (volume)

Length	3690 mm / 145.3 in / 145.3 in	Total (curb) weight	705 kg / 1554 lb / 1554 lb
Width	1450 mm / 57.1 in / 57.1 in	Dry weight
Height	1210 mm / 47.6 in / 47.6 in	Load capacity
Wheelbase	2110 mm / 83.1 in / 83.1 in	Gross (max.) weight
Track front		Towing weight
Track rear		Weight distribution (front)
Ground clearance	130 mm / 5.1 in / 5.1 in	Fuel capacity	40 l / 8.8 UK gal / 10.6 US gal
Length/wheelbase ratio	1.75

Length

3690 mm / 145.3 in / 145.3 in

Total (curb) weight

705 kg / 1554 lb / 1554 lb

Width

1450 mm / 57.1 in / 57.1 in

Dry weight

Height

1210 mm / 47.6 in / 47.6 in

Load capacity

Wheelbase

2110 mm / 83.1 in / 83.1 in

Gross (max.) weight

Track front

Towing weight

Track rear

Weight distribution (front)

Ground clearance

130 mm / 5.1 in / 5.1 in

Fuel capacity

40 l / 8.8 UK gal / 10.6 US gal

Length/wheelbase ratio

1.75

Drag coefficient (Cd, Cx, Cw)	0.5	Frontal area (A)	1.49 m² / 16.1 sq ft / 16.1 sq ft (est.)
Aerodynamic coefficient (Cd×A)	0.75 m² / 8.0 sq ft / 8.0 sq ft (est.)	Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)	18.5 kW / 24.8 hp / 24.8 hp (est.)

Drag coefficient (Cd, Cx, Cw)

0.5

Frontal area (A)

1.49 m² / 16.1 sq ft / 16.1 sq ft (est.)

Aerodynamic coefficient (Cd×A)

0.75 m² / 8.0 sq ft / 8.0 sq ft (est.)

Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

18.5 kW / 24.8 hp / 24.8 hp (est.)

Engine Code		Total number of cylinders	4
Engine Type	straight (inline) (Inline, 4 cylinder)	Total number of valves	8
Engine Manufacturer		Valves per cylinder	2
Engine construction		Bore	69.3 mm / 2.73 in / 2.73 in
Fuel	petrol (gasoline)	Stroke	76.0 mm / 2.99 in / 2.99 in
Fuel details		Bore/Stroke ratio	0.91
Fuel supply	Carburettor	Engine displacement	1147 cm³ / 70.0 cu in / 70.0 cu in
Engine Main bearings		Unitary capacity	286.66 cm³/cylinder / 17.493 cu in/cylinder / 17.493 cu in/cylinder
Cam Design		Compression ratio	9.0 : 1
Sump	wet	Max. output power	47.0 kW / 63.0 hp / 63.0 hp at 5750 rpm / 5750 rpm / 5750 rpm
Aspiration	natural	Max. torque	91.0 N·m / 67.1 lb·ft / 67.1 lb·ft at 3500 rpm / 3500 rpm / 3500 rpm
Compressor type		Maximum rpm
Intercooler		Max. net output (power at the wheels)	20.5 kW / 27.5 hp / 27.5 hp (est.)
Coolant	water	Specific output	41.0 kW/l / 0.901 bhp/cu in / 0.901 bhp/cu in
Catalytic converter		Specific torque	79.3 N·m/l / 0.69 lb·ft/cu in / 0.69 lb·ft/cu in

Engine Code

Total number of cylinders

Engine Type

straight (inline) (Inline, 4 cylinder)

Total number of valves

Engine Manufacturer

Valves per cylinder

Engine construction

Bore

69.3 mm / 2.73 in / 2.73 in

Fuel

petrol (gasoline)

Stroke

76.0 mm / 2.99 in / 2.99 in

Fuel details

Bore/Stroke ratio

0.91

Fuel supply

Carburettor

Engine displacement

1147 cm³ / 70.0 cu in / 70.0 cu in

Engine Main bearings

Unitary capacity

286.66 cm³/cylinder / 17.493 cu in/cylinder / 17.493 cu in/cylinder

Cam Design

Compression ratio

9.0 : 1

Sump

wet

Max. output power

47.0 kW / 63.0 hp / 63.0 hp at 5750 rpm / 5750 rpm / 5750 rpm

Aspiration

natural

Max. torque

91.0 N·m / 67.1 lb·ft / 67.1 lb·ft at 3500 rpm / 3500 rpm / 3500 rpm

Compressor type

Maximum rpm

Intercooler

Max. net output (power at the wheels)

20.5 kW / 27.5 hp / 27.5 hp (est.)

Coolant

water

Specific output

41.0 kW/l / 0.901 bhp/cu in / 0.901 bhp/cu in

Catalytic converter

Specific torque

79.3 N·m/l / 0.69 lb·ft/cu in / 0.69 lb·ft/cu in

Transmission type		Number of gears
Wheel drive	rear wheel drive	Top gear (drive) ratio
		Final gear (drive) ratio

Transmission type

Number of gears

Wheel drive

rear wheel drive

Top gear (drive) ratio

Final gear (drive) ratio

Acceleration 0-50 mph (80 km/h)	10.90 s / 10.90 s / 10.90 s	Top (maximal) speed	148 km/h / 92 mph / 92 mph
Acceleration 0-60 mph (97 km/h)	17.30 s / 17.30 s / 17.30 s	Power-to-weight ratio	90.6 kW/ton / 68.6 bhp/ton / 68.6 bhp/ton
Acceleration 0-100 km/h		Fuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)		Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in top		Fuel consumption, Mixed (combined)
Standing ¼mile time		Fuel consumption, Euro
Standing kilometer time		CO₂ emissions
		Range

Acceleration 0-50 mph (80 km/h)

10.90 s / 10.90 s / 10.90 s

Top (maximal) speed

148 km/h / 92 mph / 92 mph

Acceleration 0-60 mph (97 km/h)

17.30 s / 17.30 s / 17.30 s

Power-to-weight ratio

90.6 kW/ton / 68.6 bhp/ton / 68.6 bhp/ton

Acceleration 0-100 km/h

Fuel consumption, City (urban)

Acceleration 0-100 mph (160 km/h)

Fuel consumption, Road (extra-urban)

Acceleration 80-120 km/h (50-70 mph) in top

Fuel consumption, Mixed (combined)

Standing ¼mile time

Fuel consumption, Euro

Standing kilometer time

CO₂ emissions

Range

Engine location	front	Engine alignment	longitudinal
Steering		Steering details
Turns lock-to-lock		Turning circle	7.0 m / 23.0 ft / 23.0 ft
Suspension front		Suspension rear
Wheels front		Wheels rear
Tyres front	5.50-15	Tyres rear	5.50-15
Brakes front		Brakes rear
Brake diameter front		Brake diameter rear
Brakes details		Braked area

Engine location

front

Engine alignment

longitudinal

Steering

Steering details

Turns lock-to-lock

Turning circle

7.0 m / 23.0 ft / 23.0 ft

Suspension front

Suspension rear

Wheels front

Wheels rear

Tyres front

5.50-15

Tyres rear

5.50-15

Brakes front

Brakes rear

Brake diameter front

Brake diameter rear

Brakes details

Braked area

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