1949 Lea-Francis 18

Lea-Francis 18 is an automobile that has a 4 door saloon body style with a front located engine powering the rear wheels. Powering the Lea-Francis 18 is an overhead valve, 2.5 litre naturally aspirated 4 cylinder powerplant, with 2 valves per cylinder that produces power and torque figures of 95 bhp (96 PS/71 kW) at 4000 rpm and 190 N·m (140 lb·ft/19.4 kgm) at 2500 rpm respectively. Power is transmitted to the wheels by means of a 4 speed manual gearbox. Claimed kerb weight is 1372 kg. Its maximum speed claimed is 145 km/h (90 mph).
Full specs

Body type
4 door sedan/saloon with 4/5 seats
Length
4597 mm
Weight
1372 kg
Engine type
naturally aspirated petrol
Engine size
2.5 litre
Cylinders
4, Straight
Power
96 PS / 95 bhp / 71 kW @ 4000 rpm
Torque
190 Nm / 140 ft.lb / 19.4 kgm @ 2500 rpm
Top speed
145 km/h / 90 mph

1949 Lea-Francis 18 specifications

1949 Lea-Francis 18 data
bodywork
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Body type	4/5 seater sedan/saloon
Number of doors	4
Designer
dimensions & weights
Wheelbase	2820 mm	111 inches
Track/tread (front)	1334 mm	52.5 inches
Track/tread (rear)	1334 mm	52.5 inches
Length	4597 mm	181 inches
Width	1638 mm	64.5 inches
Height	1537 mm	60.5 inches
Ground clearance	178 mm	7 inches
length:wheelbase ratio	1.63
Kerb weight	1372 kg	3025 lb
Weight distribution
fuel tank capacity	68.2 litres	15 [18] UK [US] gal.
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	naturally aspirated petrol
Engine manufacturer	Lea-Francis
Engine code
Cylinders	Straight 4
Capacity	2.5 litre 2496 cc (152.315 cu in)
Bore × Stroke	85 × 110 mm 3.35 × 4.33 in
Bore/stroke ratio	0.77
Valve gear	overhead valve (OHV) 2 valves per cylinder 8 valves in total
maximum power output	96 PS (95 bhp) (71 kW) at 4000 rpm
maximum torque	190 Nm (140 ft·lb) (19.4 kgm) at 2500 rpm
Specific output	28.4 kW/litre 38.6 ps/litre 38.1 bhp/litre 0.62 bhp/cu in
Specific torque	76.12 Nm/litre 0.92 ft·lb/cu³
Engine construction
Lubrication
compression ratio	7.25:1
Fuel system	1 SU carb
bmep (brake mean effective pressure)	956.6 kPa (138.7 psi)
Maximum RPM
crankshaft bearings
Engine coolant	Water
Unitary capacity	624 cc
Aspiration	Normal
Compressor	N/A
Intercooler	None
Catalytic converter	N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed	145 km/h (90 mph)
Power-to-weight ratio	Higher is better 70.2 PS/tonne (1000 kg) 0.07 PS/kg 51.63 kW/tonne (1000 kg) 0.05 kW/kg 69.24 bhp/tonne (1000 kg) 0.07 bhp/kg 0.03 bhp/lb
Weight-to-power ratio	Lower is better 19.37 kg/kW 32.35 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	10.70 m
Front suspension	I.TB.
Rear suspension	LA.SE.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R	Dr/Dr
Front brake diameter
Rear brake diameter
Braked area	1181 cm²
Gearbox	4 speed manual
Top gear ratio	1
Final drive ratio	3.92
general
Carfolio.com ID	62711
Production total
Model code
RAC rating	17.9
Insurance classification	No information available
Tax band	No information available
1949 Lea-Francis 18 added before December 1995. Last modified 2013-02-28.