Key facts

1970 Alfa Romeo Spider 1300 Junior information summary

What body style?
convertible/cabriolet with 2 seats
How long?
4120 mm
How heavy?
990 kg
What size engine?
1.3 litre, 1290 cm3
How many cylinders?
4, Straight
How much power?
104 PS / 103 bhp / 77 kW @ 6000 rpm
How much torque?
137 Nm / 101 ft.lb / 14 kgm @ 3200 rpm
How quick?
0-60 mph: 13.00 s
How fast?
174 km/h, 108 mph

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Alfa Romeo Automobiles SpA

1970 Alfa Romeo Spider 1300 Junior technical specifications

Introduction

Alfa Romeo Spider 1300 Junior is an automobile that has a 2 door convertible/cabriolet type body with a front mounted engine supplying power to the rear wheels.
Its engine is a naturally aspirated petrol, 1.3 litre, double overhead camshaft 4 cylinder with 2 valves per cylinder. It has an output of 103 bhp (104 PS/77 kW) of power at 6000 rpm, and maximum torque of 137 N·m (101 lb·ft/14 kgm) at 3200 rpm.
Power is transmitted to the wheels by means of a 5 speed manual transmission.
With a claimed kerb weight of 990 kg, the Alfa Romeo Spider 1300 Junior manages to cover the 0-60 mph sprint in 13 seconds and the standing quarter mile in 19.1 seconds.
Its maximum speed claimed is 174 km/h (108 mph).
1970 Alfa Romeo Spider 1300 Junior data
1970 Alfa Romeo Spider 1300 Junior data
bodywork
Body type2 seater convertible/cabriolet
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 2250 88.6
Track/tread (front) 1324 52.1
Track/tread (rear) 1274 50.2
Length 4120 162.2
Width 1626 64
Height 1295 51
Ground clearance 120 4.7
length:wheelbase ratio 1.83
Kerb weight 990 kg 2183 lb
Weight distribution
fuel tank capacity 46 litres 10.1 UK Gal 12.2 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Alfa Romeo
Engine code
Cylinders Straight 4
Capacity 1.3 litre
1290 cc
(78.721 cu in)
Bore × Stroke 78 × 67.5 mm
3.07 × 2.66 in
Bore/stroke ratio 1.16
double overhead camshaft (DOHC)
2 valves per cylinder
8 valves in total
maximum power output
(SAE)
104 PS (103 bhp) (77 kW)
at 6000 rpm
Specific output
(SAE)
79.8 bhp/litre
1.31 bhp/cu in
maximum torque
(SAE)
137 Nm (101 ft·lb) (14 kgm)
at 3200 rpm
Specific torque
(SAE)
106.2 Nm/litre
1.28 ft·lb/cu3
Engine construction
sump
compression ratio 9:1
Fuel system 2 We carbs
bmep (brake mean effective pressure) 1334.6 kPa (193.6 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 322.5 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph 13.00 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile 19.10 s
Standing kilometre
Maximum speed 174 km/h (108 mph)
Power-to-weight ratio 105.49 PS/g
77.58 kW/g
104.04 bhp/ton
0.05 bhp/lb
Weight-to-power ratio 12.89 kg/kW
21.53 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres per 100km
km per litre
UK MPG
US MPG
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 recirculating ball
turns lock-to-lock 3.700
Turning circle 10.50 m
Front suspension I.W.CS.ARB.
Rear suspension LA.U&LRA.CS.ARB.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R Di/Di
Front brake diameter
Rear brake diameter
Gearbox 5 speed manual
Top gear ratio 0.86
Final drive ratio 4.56
general
Carfolio.com ID37081
Production total
Model code
Model family
RAC rating 15.1
Insurance classification No information available
Tax band No information available
1970 Alfa Romeo Spider 1300 Junior added before December 1995.
Last modified 2013-02-28.

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1970 Alfa Romeo Spider 1300 Junior


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