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Lea-Francis 2½-Litre

Bodywork

type 2S DHC
doors 2

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 8.70:1
Fuel system 2 SU carbs
Maximum power 126.7 PS (125.0 bhp) (93.2 kW) @ 5000 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 161 km/h (100 mph)
Fuel consumption
CO2 emissions
Power to weight ratio 106.84 bhp/ton
Specific output
Maximum torque 193.0 Nm (142 ft·lb) (19.7 kgm) @ 2500 rpm
bmep 971.7 kPa (140.9 psi)
Specific torque 77.32 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 2515 mm
wheelbase 99 in
Length (milimeters) 4191 mm
Length (inches) 165 in
Width (milimeters) 1600 mm
Width (inches) 63 in
Height (milimeters) 1372 mm
Height (inches) 54 in
L:W ratio 1.67
Ground clearance (milimeters) 178 mm
Ground clearance (inches) 7 in
Kerb weight (kilograms) 1170 kg
Kerb weight (pounds) 2579 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 9.80 m
Tyres
Wheels
Brakes F/R Dr/Dr
Brake ∅
Braked area
Transmission 4M
Top gear ratio 1.00
Final drive ratio 3.64

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 2½-Litre PDF Manual
Designer unknown
Year 1949

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