Triumph Spitfire 1500 (1975) drophead coupé (convertible coupé) - technical specifications of 1975 Triumph Spitfire 1500

Triumph Spitfire 1500

(1975 model)

Brief specs of 1975 Triumph Spitfire 1500

2-door 2-seater drophead coupé (convertible coupé), petrol (gasoline) 4-cylinder 8-valve straight (inline) engine, OHV (overhead valve, I-head), 1493 cm³ / 91.1 cu in / 91.1 cu in, 52.9 kW / 70.9 hp / 70.9 hp @ 5500 rpm / 5500 rpm / 5500 rpm, 111.0 N·m / 81.9 lb·ft / 81.9 lb·ft @ 3000 rpm / 3000 rpm / 3000 rpm, manual with overdrive 4-speed transmission, rear wheel drive, 161 km/h / 100 mph / 100 mph top speed

Marque (make)	Triumph	Issued from	1975
Model	Spitfire 1500	Issued until
Serie	Spitfire	Number made
Model family		Body construction
Model code		Body designation
Manufacturer	Triumph	Country	UK

Marque (make)

Triumph

Issued from

1975

Model

Spitfire 1500

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	drophead coupé (convertible coupé)	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

drophead coupé (convertible coupé)

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	3734 mm / 147.0 in / 147.0 in	Total (curb) weight	815 kg / 1797 lb / 1797 lb
Width	1448 mm / 57.0 in / 57.0 in	Dry weight
Height	1207 mm / 47.5 in / 47.5 in	Load capacity
Wheelbase	2108 mm / 83.0 in / 83.0 in	Gross (max.) weight
Track front	1245 mm / 49.0 in / 49.0 in	Towing weight
Track rear	1270 mm / 50.0 in / 50.0 in	Weight distribution (front)
Ground clearance	118 mm / 4.6 in / 4.6 in	Fuel capacity	33 l / 7.3 UK gal / 8.7 US gal
Length/wheelbase ratio	1.77

Length

3734 mm / 147.0 in / 147.0 in

Total (curb) weight

815 kg / 1797 lb / 1797 lb

Width

1448 mm / 57.0 in / 57.0 in

Dry weight

Height

1207 mm / 47.5 in / 47.5 in

Load capacity

Wheelbase

2108 mm / 83.0 in / 83.0 in

Gross (max.) weight

Track front

1245 mm / 49.0 in / 49.0 in

Towing weight

Track rear

1270 mm / 50.0 in / 50.0 in

Weight distribution (front)

Ground clearance

118 mm / 4.6 in / 4.6 in

Fuel capacity

33 l / 7.3 UK gal / 8.7 US gal

Length/wheelbase ratio

1.77

Drag coefficient (Cd, Cx, Cw)		Frontal area (A)	1.49 m² / 16.0 sq ft / 16.0 sq ft (est.)
Aerodynamic coefficient (Cd×A)		Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Drag coefficient (Cd, Cx, Cw)

Frontal area (A)

1.49 m² / 16.0 sq ft / 16.0 sq ft (est.)

Aerodynamic coefficient (Cd×A)

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

Engine Code		Total number of cylinders	4
Engine Type	straight (inline) (Inline, 4 cylinder)	Total number of valves	8
Engine Manufacturer	Triumph	Valves per cylinder	2
Engine construction		Bore	73.7 mm / 2.90 in / 2.90 in
Fuel	petrol (gasoline)	Stroke	87.5 mm / 3.44 in / 3.44 in
Fuel details		Bore/Stroke ratio	0.84
Fuel supply	2 SU carbs	Engine displacement	1493 cm³ / 91.1 cu in / 91.1 cu in
Engine Main bearings	3	Unitary capacity	373.25 cm³/cylinder / 22.777 cu in/cylinder / 22.777 cu in/cylinder
Cam Design	OHV (overhead valve, I-head)	Compression ratio	9.0 : 1
Sump		Max. output power	52.9 kW / 70.9 hp / 70.9 hp at 5500 rpm / 5500 rpm / 5500 rpm
Aspiration	natural	Max. torque	111.0 N·m / 81.9 lb·ft / 81.9 lb·ft at 3000 rpm / 3000 rpm / 3000 rpm
Compressor type	N/A	Maximum rpm
Intercooler	no	Max. net output (power at the wheels)	25.6 kW / 34.4 hp / 34.4 hp (est.)
Coolant	water	Specific output	35.4 kW/l / 0.779 bhp/cu in / 0.779 bhp/cu in
Catalytic converter	no	Specific torque	74.3 N·m/l / 0.65 lb·ft/cu in / 0.65 lb·ft/cu in

Engine Code

Total number of cylinders

Engine Type

straight (inline) (Inline, 4 cylinder)

Total number of valves

Engine Manufacturer

Triumph

Valves per cylinder

Engine construction

Bore

73.7 mm / 2.90 in / 2.90 in

Fuel

petrol (gasoline)

Stroke

87.5 mm / 3.44 in / 3.44 in

Fuel details

Bore/Stroke ratio

0.84

Fuel supply

2 SU carbs

Engine displacement

1493 cm³ / 91.1 cu in / 91.1 cu in

Engine Main bearings

Unitary capacity

373.25 cm³/cylinder / 22.777 cu in/cylinder / 22.777 cu in/cylinder

Cam Design

OHV (overhead valve, I-head)

Compression ratio

9.0 : 1

Sump

Max. output power

52.9 kW / 70.9 hp / 70.9 hp at 5500 rpm / 5500 rpm / 5500 rpm

Aspiration

natural

Max. torque

111.0 N·m / 81.9 lb·ft / 81.9 lb·ft at 3000 rpm / 3000 rpm / 3000 rpm

Compressor type

N/A

Maximum rpm

Intercooler

Max. net output (power at the wheels)

25.6 kW / 34.4 hp / 34.4 hp (est.)

Coolant

water

Specific output

35.4 kW/l / 0.779 bhp/cu in / 0.779 bhp/cu in

Catalytic converter

Specific torque

74.3 N·m/l / 0.65 lb·ft/cu in / 0.65 lb·ft/cu in

Transmission type	manual with overdrive	Number of gears	4
Wheel drive	rear wheel drive	Top gear (drive) ratio	0.79
		Final gear (drive) ratio	3.63

Transmission type

manual with overdrive

Number of gears

Wheel drive

rear wheel drive

Top gear (drive) ratio

0.79

Final gear (drive) ratio

3.63

Acceleration 0-50 mph (80 km/h)	8.00 s / 8.00 s / 8.00 s	Top (maximal) speed	161 km/h / 100 mph / 100 mph
Acceleration 0-60 mph (97 km/h)	11.20 s / 11.20 s / 11.20 s	Power-to-weight ratio	87.1 kW/ton / 66.0 bhp/ton / 66.0 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)

8.00 s / 8.00 s / 8.00 s

Top (maximal) speed

161 km/h / 100 mph / 100 mph

Acceleration 0-60 mph (97 km/h)

11.20 s / 11.20 s / 11.20 s

Power-to-weight ratio

87.1 kW/ton / 66.0 bhp/ton / 66.0 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	rack & pinion	Steering details
Turns lock-to-lock		Turning circle
Suspension front	Independent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)	Suspension rear	Independent,SA, Trailing arm, Transverse leaf spring
Wheels front		Wheels rear
Tyres front	150/80-R13	Tyres rear
Brakes front	disc	Brakes rear	drum
Brake diameter front		Brake diameter rear
Brakes details		Braked area

Engine location

front

Engine alignment

longitudinal

Steering

rack & pinion

Steering details

Turns lock-to-lock

Turning circle

Suspension front

Independent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)

Suspension rear

Independent,SA, Trailing arm, Transverse leaf spring

Wheels front

Wheels rear

Tyres front

150/80-R13

Tyres rear

Brakes front

disc

Brakes rear

drum

Brake diameter front

Brake diameter rear

Brakes details

Braked area

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