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Lea-Francis 18

Bodywork

type 4/5S SAL
doors 4

Engine information

Bore × stroke 85.00 mm × 110.00 mm 3.35 in × 4.33 in
Cylinders S-4
Displace 2.5 litre 2496 cc (152.315 cu in)
Engine type OHV
Valves 2 valves per cylinder | 8 valves in total
Engine construction
Sump
Compression ratio 7.25:1
Fuel system 1 SU carb
Maximum power 96.3 PS (95.0 bhp) (70.8 kW) @ 4000 rpm
0-50 mph
0-60 mph
0-100 mph -1.00 s
0-100 km/h
80 - 120 km/h
402 m (Quarter mile)
Standing km
Top speed 145 km/h (90 mph)
Fuel consumption
CO2 emissions
Power to weight ratio 69.24 bhp/ton
Specific output
Maximum torque 190.0 Nm (140 ft·lb) (19.4 kgm) @ 2500 rpm
bmep 956.6 kPa (138.7 psi)
Specific torque 76.12 Nm/litre
Maximum rpm
Code
Main bearings
Coolant Water
Bore / stroke ratio 0.77
Unitary capacity 624 cc/cylinder
Aspiration Normal
Compressor type N/A
Intercooler None
Catalytic converter N

Dimensions and weight

wheelbase 2820 mm
wheelbase 111 in
Length (milimeters) 4597 mm
Length (inches) 181 in
Width (milimeters) 1638 mm
Width (inches) 64.5 in
Height (milimeters) 1537 mm
Height (inches) 60.5 in
L:W ratio 1.63
Ground clearance (milimeters) 178 mm
Ground clearance (inches) 7 in
Kerb weight (kilograms) 1372 kg
Kerb weight (pounds) 3025 lb
Weight distribuiton
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
Turns lock-to-lock
Turning circle 10.70 m
Tyres
Wheels
Brakes F/R Dr/Dr
Brake ∅
Braked area
Transmission 4M
Top gear ratio 1.00
Final drive ratio 3.92

General information

RAC rating 17.9
Number made
Model code
Model family
Insurance classification No information available
Tax band No information available

Manual Download

Download 1949 Lea-Francis 18 PDF Manual
Designer unknown
Year 1949

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