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Jensen 541R

Bodywork

type 2+2 FHC
doors 2

Engine information

Bore × stroke 87.30 mm × 111.10 mm 3.44 in × 4.37 in
Cylinders S-6
Displace 4 litre 3990 cc (243.485 cu in)
Engine type OHV
Valves 2 valves per cylinder | 12 valves in total
Engine construction
Sump
Compression ratio 7.60:1
Fuel system 3 SU carbs
Maximum power
0-50 mph 7.60 s
0-60 mph 10.60 s
0-100 mph 30.20 s
0-100 km/h
80 - 120 km/h
402 m (Quarter mile) 17.50 s
Standing km
Top speed 206 km/h (128 mph)
Fuel consumption
CO2 emissions
Power to weight ratio 103.4 bhp/ton
Specific output
Maximum torque
bmep 970 kPa (140.7 psi)
Specific torque 77.19 Nm/litre
Maximum rpm
Code
Main bearings
Coolant Water
Bore / stroke ratio 0.79
Unitary capacity 665 cc/cylinder
Aspiration Normal
Compressor type N/A
Intercooler None
Catalytic converter N

Dimensions and weight

wheelbase 2667 mm
wheelbase 105 in
Length (milimeters) 4470 mm
Length (inches) 176 in
Width (milimeters) 1600 mm
Width (inches) 63 in
Height (milimeters) 1346 mm
Height (inches) 53 in
L:W ratio 1.68
Ground clearance (milimeters) 178 mm
Ground clearance (inches) 7 in
Kerb weight (kilograms) 1470 kg
Kerb weight (pounds) 3241 lb
Weight distribuiton 53.00 %
Fuel capacity (litres) 68.2 litre
Fuel capacity (UK Ga) 15 UK Gal
Fuel capacity (US Gal) 18 US Gal

Aerodynamics

Drag coefficient
Frontal area
Cx

Chassis

Engine location Front
Engine alignment Longitudinal
Drive RWD
Steering rack & pinion
Turns lock-to-lock 2.300
Turning circle 10.40 m
Tyres 6.40-15
Wheels
Brakes F/R Di/Di-S
Brake ∅ 279 mm
Braked area
Transmission 4OD
Top gear ratio 0.79
Final drive ratio 3.54

General information

RAC rating 28.4
Number made
Model code
Model family
Insurance classification No information available
Tax band No information available

Manual Download

Download 1957 Jensen 541R PDF Manual
Designer unknown
Year 1957

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