Car Specs

1970 Plymouth Road Runner Convertible

Information

Plymouth

Quick Facts

Chassis Code: FR2

Build Start: 1970

Available in other variants

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Specifications

General

Build Start: 1970
Model Variant: FR2
Chassis Code: FR2

Dimensions

Track/tread (rear): 1491mm
Width: 1941mm
Ground clearance: 137mm
Fuel Tank Capacity: 72litres
Wheelbase: 2946mm
Track/tread (front): 1516mm
Length: 5182mm
Height: 1374mm

Body Details

Body Type: 4/5 seater convertible/cabriolet

Engine Details

Gearbox: 4 speed manual
Final Drive Ratio: 3.54
Engine Manufacturer: Chrysler
Capacity: 7.2 litre (7206cc)
Bore/stroke ratio: 1.15
Engine Construction: cast iron block & head
Compression Ratio: 10.5:1
Crankshaft Bearings: 5
Catalytic converter: N
Engine Layout: longitudinal
Top Gear Ratio: 1
Engine Type: naturally aspirated petrol
Cylinders: V 8 in 90° vee
Bore × Stroke: 109.73 × 95.25mm
Sump: wet sumped
Engine Coolant: Water
Aspiration: Normal
Engine Position: front

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Performance

Drive Wheels: rear wheel drive

Chassis & Geomtry

Turns Lock-to-Lock: 5.300
Length:Wheelbase Ratio: 1.76

Brakes

Front Brake Diameter: 279mm
bmep (brake mean effective pressure): 1159.7kPa
Brakes F/R: Dr/Dr
Rear brake diameter: 254mm

Wheels & Tyres

Wheel Size Rear: 14x6.0JJ
Tyres Rear: F70 x 14
Wheel Size Front: 14x6.0JJ
Tyres Front: F70 x 14

Other

RAC rating: 59.7
maximum power output(Gross): 395 PS (390 bhp) (291 kW)at 4700 rpm
maximum torque(Gross): 665 Nm (490 ft·lb) (67.8 kgm)at 3200 rpm
Unitary Capacity: 900.75cc
Model code: RM27
Valve Gear: overhead valve (OHV), 2 valves per cylinder, 16 valves in total
Specific output(Gross): 54.1 bhp/litre0.89 bhp/cu in
Specific torque(Gross): 92.28 Nm/litre, 1.12 ft·lb/cu3
Number of doors: 2

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