Cadillac DeVille Convertible, 1970 MY 683 68367

The DeVille Convertible is a road car from Cadillac, with rear wheel drive, a front mounted engine and a 2 door convertible/cabriolet body style. The Cadillac DeVille Convertible belongs to the 683 range of cars from Cadillac. It's powered courtesy of a naturally aspirated engine of 7.7 litre capacity. This unit features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. It develops 375 bhp (380 PS/280 kW) of power at 4400 rpm, and maximum torque of 712 N·m (525 lb·ft/72.6 kgm) at 3000 rpm. Power is supplied to the wheels by means of a 3 speed automatic transmission. Stated weight at the kerb is 2175 kg.

Pictures

Cadillac DeVille Convertible -
Cadillac DeVille Convertible
Image courtesy of Cadillac

Key facts

Cadillac DeVille Convertible, 1970 MY 683 68367 information summary

What body style?
2 door convertible/cabriolet with 4/5 seats
How long?
5715 mm
How heavy?
2175 kg
What size engine?
7.7 litre, 7729 cm3
How many cylinders?
8, V
How much power?
380 PS / 375 bhp / 280 kW @ 4400 rpm
How much torque?
712 Nm / 525 ft.lb / 72.6 kgm @ 3000 rpm

Cadillac 683 models

2 door fixed-head coupé FR 3A 7729 cm3 380 PS 375 bhp 280 kW 2170 kg
Cadillac DeVille Hardtop Sedan -
4 door sedan/​saloon FR 3A 7729 cm3 380 PS 375 bhp 280 kW 2203 kg
4 door sedan/​saloon FR 3A 7729 cm3 380 PS 375 bhp 280 kW 2202 kg
2 door fixed-head coupé FR 3A 7729 cm3 380 PS 375 bhp 280 kW 2176 kg
Cadillac DeVille Convertible -
2 door convertible/​cabriolet FR 3A 7729 cm3 380 PS 375 bhp 280 kW 2166 kg
4 door sedan/​saloon FR 3A 7729 cm3 380 PS 375 bhp 280 kW 2194 kg
4 door sedan/​saloon FR 3A 7729 cm3 380 PS 375 bhp 280 kW

Similar models

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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 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3A 7206 cm3 355 PS 350 bhp 261 kW
Chrysler 300 Convertible -
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2 door convertible/​cabriolet FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 4M 7206 cm3 395 PS 390 bhp 291 kW
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2 door convertible/​cabriolet FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3A 7206 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3A 7206 cm3 355 PS 350 bhp 261 kW
2 door convertible/​cabriolet FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 4M 7022 cm3 365 PS 360 bhp 268 kW
2 door convertible/​cabriolet FR 3A 7022 cm3 365 PS 360 bhp 268 kW
2 door convertible/​cabriolet FR 3A 7026 cm3 365 PS 360 bhp 268 kW
2 door convertible/​cabriolet FR 4M 7022 cm3 365 PS 360 bhp 268 kW
2 door convertible/​cabriolet FR 3A 7022 cm3 365 PS 360 bhp 268 kW
2 door convertible/​cabriolet FR 3A 7026 cm3 365 PS 360 bhp 268 kW
2 door convertible/​cabriolet FR 3A 7027 cm3 365 PS 360 bhp 268 kW
2 door convertible/​cabriolet FR 3A 7447 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 3A 7447 cm3 370 PS 365 bhp 272 kW
2 door convertible/​cabriolet FR 3A 7447 cm3 370 PS 365 bhp 272 kW
2 door convertible/​cabriolet FR 3A 7446 cm3 350 PS 345 bhp 257 kW
2 door convertible/​cabriolet FR 3A 7446 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 3M 7455 cm3 365 PS 360 bhp 268 kW
2 door convertible/​cabriolet FR 3M 6991 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 4M 6991 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3A 6991 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3M 6991 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 4M 6991 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 3A 6991 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 3A 7455 cm3 365 PS 360 bhp 268 kW
2 door convertible/​cabriolet FR 3A 7455 cm3 365 PS 360 bhp 268 kW
2 door convertible/​cabriolet FR 3A 7455 cm3 375 PS 370 bhp 276 kW
Pontiac Ventura Convertible 428 H.O. -
2 door convertible/​cabriolet FR 4M 6991 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 3M 6991 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 3A 6991 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 4M 6991 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3M 6991 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3A 6991 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3A 7446 cm3 395 PS 390 bhp 291 kW
2 door convertible/​cabriolet FR 3A 7446 cm3 350 PS 345 bhp 257 kW
1970 Cadillac DeVille Convertible data
bodywork
Body type4/5 seater convertible/cabriolet
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 3289 mm 129.5 inches
Track/tread (front) 1600 mm 63 inches
Track/tread (rear) 1600 mm 63 inches
Length 5715 mm 225 inches
Width 2027 mm 79.8 inches
Height 1379 mm 54.3 inches
Ground clearance
length:wheelbase ratio 1.74
Kerb weight 2175 kg 4795 lb
Weight distribution 52.4 % front
fuel tank capacity 98.5 litres 21.7 UK Gal 26 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Cadillac
Engine code
Cylinders V 8 in 90° vee
Capacity 7.7 litre
7729 cc
(471.653 cu in)
Bore × Stroke 109.22 × 103.12 mm
4.3 × 4.06 in
Bore/stroke ratio 1.06
Valve gear overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output
(gross)
380 PS (375 bhp) (280 kW)
at 4400 rpm
Specific output
(gross)
48.5 bhp/litre
0.8 bhp/cu in
maximum torque
(gross)
712 Nm (525 ft·lb) (72.6 kgm)
at 3000 rpm
Specific torque
(gross)
92.12 Nm/litre
1.11 ft·lb/cu3
Engine construction cast iron block & head
sump wet sumped
compression ratio 10:1
Fuel system 1 Rochester carburettor
bmep (brake mean effective pressure) 1157.6 kPa (167.9 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 966.13 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 174.81 PS/tonne (1000 kg)
128.57 kW/tonne (1000 kg)
172.41 bhp/tonne (1000 kg)
0.08 bhp/lb
Weight-to-power ratio 7.78 kg/kW
12.99 lb/bhp
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 2.800
Turning circle
Front suspension
Rear suspension
Wheel size front 6JK x 15
Wheel size rear 6JK x 15
Tyres front L78-15
Tyres rear L78-15
Brakes F/R VeDi/Dr-S
Front brake diameter 302 mm
Rear brake diameter 305 mm
Braked area
Gearbox 3 speed automatic
Top gear ratio 1
Final drive ratio 2.93
general
Carfolio.com ID358523
Production total
Model code 68367
Model family 683
RAC rating 59.2
Insurance classification No information available
Tax band No information available
1970 Cadillac DeVille Convertible added 2013-10-28.
Last modified 2013-10-28.