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Riley 2½-Litre

Bodywork

type 4/5S SAL
doors 0

Engine information

Bore × stroke 80.50 mm × 120.00 mm 3.17 in × 4.72 in
Cylinders S-4
Displace 2.4 litre 2443 cc (149.081 cu in)
Engine type OHV
Valves 2 valves per cylinder | 8 valves in total
Engine construction
Sump
Compression ratio 6.80:1
Fuel system 2 SU carbs
Maximum power 101.4 PS (100.0 bhp) (74.6 kW) @ 4500 rpm
0-50 mph 11.90 s
0-60 mph 15.00 s
0-100 mph -1.00 s
0-100 km/h
80 - 120 km/h
402 m (Quarter mile) 21.10 s
Standing km
Top speed 146 km/h (91 mph)
Fuel consumption
CO2 emissions
Power to weight ratio 67.89 bhp/ton
Specific output
Maximum torque 182.0 Nm (134 ft·lb) (18.6 kgm) @ 3000 rpm
bmep 936.2 kPa (135.8 psi)
Specific torque 74.5 Nm/litre
Maximum rpm
Code
Main bearings
Coolant Water
Bore / stroke ratio 0.67
Unitary capacity 610.75 cc/cylinder
Aspiration Normal
Compressor type N/A
Intercooler None
Catalytic converter N

Dimensions and weight

wheelbase 3023 mm
wheelbase 119 in
Length (milimeters) 4724 mm
Length (inches) 186 in
Width (milimeters) 1613 mm
Width (inches) 63.5 in
Height (milimeters) 1511 mm
Height (inches) 59.5 in
L:W ratio 1.56
Ground clearance (milimeters)
Ground clearance (inches)
Kerb weight (kilograms) 1473 kg
Kerb weight (pounds) 3247 lb
Weight distribuiton
Fuel capacity (litres)
Fuel capacity (UK Ga)
Fuel capacity (US Gal)

Aerodynamics

Drag coefficient
Frontal area
Cx

Chassis

Engine location Front
Engine alignment Longitudinal
Drive RWD
Steering
Turns lock-to-lock
Turning circle
Tyres
Wheels
Brakes F/R
Brake ∅
Braked area
Transmission 4M
Top gear ratio 1.00
Final drive ratio 4.10

General information

RAC rating 16.1
Number made
Model code
Model family
Insurance classification No information available
Tax band No information available

Manual Download

Download 1946 Riley 2½-Litre PDF Manual
Designer unknown
Year 1946

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