1955 Triumph TR3

The TR3 is a rear wheel drive convertible/cabriolet road car with a front mounted engine, produced by Triumph. Power is supplied by an overhead valve, 2 litre naturally aspirated 4 cylinder motor, with 2 valves per cylinder that develops power and torque figures of 100 bhp (101 PS/75 kW) at 5000 rpm and 159 N·m (117 lb·ft/16.2 kgm) at 3000 rpm respectively. The power is delivered to the wheels by means of a 4 speed manual with overdrive gearbox. It weighs a stated 904 kg at the kerb. Its maximum speed claimed is 169 km/h or 105 mph.
Full specs

Body type
2 door convertible/cabriolet with 2 seats
Length
3835 mm
Weight
904 kg
Engine type
naturally aspirated petrol
Engine size
2 litre
Cylinders
4, Straight
Power
101 PS / 100 bhp / 75 kW @ 5000 rpm
Torque
159 Nm / 117 ft.lb / 16.2 kgm @ 3000 rpm
Acceleration
0-60 mph 12.5 s
Top speed
169 km/h / 105 mph

1955 Triumph TR3 specifications

1955 Triumph TR3 data
bodywork
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Body type	2 seater convertible/cabriolet
Number of doors	2
Designer
dimensions & weights
Wheelbase	2238 mm	88.1 inches
Track/tread (front)	1143 mm	45 inches
Track/tread (rear)	1156 mm	45.5 inches
Length	3835 mm	151 inches
Width	1410 mm	55.5 inches
Height	1270 mm	50 inches
Ground clearance
length:wheelbase ratio	1.71
Kerb weight	904 kg	1993 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	naturally aspirated petrol
Engine manufacturer	Triumph
Engine code
Cylinders	Straight 4
Capacity	2 litre 1991 cc (121.498 cu in)
Bore × Stroke	83 × 92 mm 3.27 × 3.62 in
Bore/stroke ratio	0.9
Valve gear	overhead valve (OHV) 2 valves per cylinder 8 valves in total
maximum power output	101 PS (100 bhp) (75 kW) at 5000 rpm
maximum torque	159 Nm (117 ft·lb) (16.2 kgm) at 3000 rpm
Specific output	37.5 kW/litre 50.9 ps/litre 50.2 bhp/litre 0.82 bhp/cu in
Specific torque	79.86 Nm/litre 0.97 ft·lb/cu³
Engine construction
Lubrication
compression ratio	8.5:1
Fuel system	2 SU carbs
bmep (brake mean effective pressure)	1003.5 kPa (145.6 psi)
Maximum RPM
crankshaft bearings
Engine coolant	Water
Unitary capacity	497.75 cc
Aspiration	Normal
Compressor	N/A
Intercooler	None
Catalytic converter	N
performance
Acceleration 0-80km/h (50mph)	7.5 s
Acceleration 0-60mph	12.5 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile	18.1 s
Standing kilometre
Maximum speed	169 km/h (105 mph)
Power-to-weight ratio	Higher is better 112.16 PS/tonne (1000 kg) 0.11 PS/kg 82.49 kW/tonne (1000 kg) 0.08 kW/kg 110.62 bhp/tonne (1000 kg) 0.11 bhp/kg 0.05 bhp/lb
Weight-to-power ratio	Lower is better 12.12 kg/kW 20.25 lb/bhp
fuel consumption
Fuel consumption
universal fuel consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
Carbon dioxide emissions
Carfolio Calculated CO₂ ^?
VED band (UK)
CO₂ Effizienz (DE)
chassis
Engine position	front
Engine layout	longitudinal
Drive wheels	rear wheel drive
Torque split	N/A
Steering
turns lock-to-lock
Turning circle
Front suspension	I.CS.W.
Rear suspension	LA.SE.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox	4 speed manual
Top gear ratio
Final drive ratio
general
Carfolio.com ID	17523
Production total
Model code
RAC rating	17.1
Insurance classification	No information available
Tax band	No information available
1955 Triumph TR3 added before December 1995. Last modified 2013-02-28.