Dodge Challenger R/T Convertible 426 Hemi, 1970 MY

The Challenger R/T Convertible 426 Hemi is a motor vehicle from Dodge, with rear wheel drive, a front positioned engine and a 2 door convertible/cabriolet body style. Its engine is a naturally aspirated petrol, 7 litre, overhead valve 90 degree V 8 cylinder with 2 valves per cylinder. In this application it produces 425 bhp (431 PS/317 kW) of power at 5000 rpm, and maximum torque of 665 N·m (490 lb·ft/67.8 kgm) at 4000 rpm. The power is supplied to the wheels through a 4 speed manual gearbox.

Pictures

Dodge Challenger R/T Convertible 426 Hemi -
Dodge Challenger R/T Convertible 426 Hemi
Image courtesy of Dodge
Dodge Challenger R/T Convertible 426 Hemi -
Dodge Challenger R/T Convertible 426 Hemi
Image courtesy of Dodge

Key facts

Dodge Challenger R/T Convertible 426 Hemi, 1970 MY information summary

What body style?
2 door convertible/cabriolet with 4/5 seats
How long?
4859 mm
What size engine?
7 litre, 6984 cm3
How many cylinders?
8, V
How much power?
431 PS / 425 bhp / 317 kW @ 5000 rpm
How much torque?
665 Nm / 490 ft.lb / 67.8 kgm @ 4000 rpm

Dodge Challenger models

2 door fixed-head coupé FR 3M 5210 cm3 152 PS 150 bhp 112 kW 1460 kg
Dodge Challenger -
2 door fixed-head coupé FR 3M 5565 cm3 243 PS 240 bhp 179 kW
2 door fixed-head coupé FR 3M 3680 cm3 112 PS 110 bhp 82 kW 1436 kg
2 door fixed-head coupé FR 3M 5565 cm3 243 PS 240 bhp 179 kW 1567 kg
2 door fixed-head coupé FR 3M 5210 cm3 152 PS 150 bhp 112 kW 1506 kg
2 door fixed-head coupé FR 4M 6292 cm3 335 PS 330 bhp 246 kW
2 door fixed-head coupé FR 3M 6292 cm3 335 PS 330 bhp 246 kW
2 door fixed-head coupé FR 3M 3687 cm3 147 PS 145 bhp 108 kW
2 door fixed-head coupé FR 3M 5210 cm3 233 PS 230 bhp 172 kW
2 door fixed-head coupé FR 3M 5563 cm3 279 PS 275 bhp 205 kW
2 door fixed-head coupé FR 3A 6292 cm3 294 PS 290 bhp 216 kW
2 door fixed-head coupé FR 3A 5563 cm3 279 PS 275 bhp 205 kW
2 door fixed-head coupé FR 3A 3687 cm3 147 PS 145 bhp 108 kW
2 door fixed-head coupé FR 3A 5210 cm3 233 PS 230 bhp 172 kW
2 door fixed-head coupé FR 3A 6292 cm3 335 PS 330 bhp 246 kW
2 door convertible/​cabriolet FR 3M 6292 cm3 335 PS 330 bhp 246 kW
2 door convertible/​cabriolet FR 4M 6292 cm3 335 PS 330 bhp 246 kW
2 door convertible/​cabriolet FR 3A 6292 cm3 294 PS 290 bhp 216 kW
2 door convertible/​cabriolet FR 3M 5563 cm3 279 PS 275 bhp 205 kW
2 door convertible/​cabriolet FR 3M 5210 cm3 233 PS 230 bhp 172 kW
2 door convertible/​cabriolet FR 3M 3687 cm3 147 PS 145 bhp 108 kW
2 door convertible/​cabriolet FR 3A 5563 cm3 279 PS 275 bhp 205 kW
2 door convertible/​cabriolet FR 3A 3687 cm3 147 PS 145 bhp 108 kW
2 door convertible/​cabriolet FR 3A 5210 cm3 233 PS 230 bhp 172 kW
2 door convertible/​cabriolet FR 3A 6292 cm3 335 PS 330 bhp 246 kW
2 door fixed-head coupé FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3M 6292 cm3 340 PS 335 bhp 250 kW
2 door fixed-head coupé FR 4M 7206 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 4M 6984 cm3 431 PS 425 bhp 317 kW
2 door fixed-head coupé FR 3A 6984 cm3 431 PS 425 bhp 317 kW

Similar models

2 door convertible/​cabriolet FR 3M 6999 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 4M 6999 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 3A 6999 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 4M 7439 cm3 456 PS 450 bhp 336 kW 1701 kg
2 door convertible/​cabriolet FR 3A 7439 cm3 456 PS 450 bhp 336 kW 1726 kg
2 door convertible/​cabriolet FR 4M 6974 cm3 431 PS 425 bhp 317 kW
2 door convertible/​cabriolet FR 3A 6974 cm3 431 PS 425 bhp 317 kW
2 door convertible/​cabriolet FR 4M 7206 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 3A 7206 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 4M 7206 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 4M 6974 cm3 431 PS 425 bhp 317 kW
2 door convertible/​cabriolet FR 3A 6974 cm3 431 PS 425 bhp 317 kW
2 door convertible/​cabriolet FR 3A 7206 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 3A 7446 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 3A 7446 cm3 395 PS 390 bhp 291 kW
1970 Dodge Challenger R/T Convertible 426 Hemi data
bodywork
Body type4/5 seater convertible/cabriolet
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 2794 mm 110 inches
Track/tread (front) 1516 mm 59.7 inches
Track/tread (rear) 1542 mm 60.7 inches
Length 4859 mm 191.3 inches
Width 1933 mm 76.1 inches
Height 1285 mm 50.6 inches
Ground clearance
length:wheelbase ratio 1.74
Kerb weight
Weight distribution
fuel tank capacity 68.2 litres 15 UK Gal 18 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Dodge
Engine code
Cylinders V 8 in 90° vee
Capacity 7 litre
6984 cc
(426.19 cu in)
Bore × Stroke 108.05 × 95.25 mm
4.25 × 3.75 in
Bore/stroke ratio 1.13
Valve gear overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output
(gross)
431 PS (425 bhp) (317 kW)
at 5000 rpm
Specific output
(gross)
60.9 bhp/litre
1 bhp/cu in
maximum torque
(gross)
665 Nm (490 ft·lb) (67.8 kgm)
at 4000 rpm
Specific torque
(gross)
95.22 Nm/litre
1.15 ft·lb/cu3
Engine construction cast iron block & head
sump wet sumped
compression ratio 10.25:1
Fuel system 2 carburettors
bmep (brake mean effective pressure) 1196.5 kPa (173.5 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 873 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
Power-to-weight ratio
Weight-to-power ratio
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres/100km
km/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
turns lock-to-lock 5.300
Turning circle
Front suspension
Rear suspension
Wheel size front 7.0J x 15
Wheel size rear 7.0J x 15
Tyres front F60 x 15
Tyres rear F60 x 15
Brakes F/R Dr/Dr
Front brake diameter 279 mm
Rear brake diameter 279 mm
Braked area
Gearbox 4 speed manual
Top gear ratio 1
Final drive ratio 3.54
general
Carfolio.com ID380567
Production total 5
Model code
Model family
RAC rating 57.9
Insurance classification No information available
Tax band No information available
1970 Dodge Challenger R/T Convertible 426 Hemi added 2014-11-18.
Last modified 2014-11-19.