Porsche 911 SC Sportomatic (1978) fixed-head coupé - technical specifications of 1978 Porsche 911 SC Sportomatic

Porsche 911 SC Sportomatic

(1978 model)

Brief specs of 1978 Porsche 911 SC Sportomatic

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 6-cylinder 12-valve flat (horizontally opposed, boxer) engine, SOHC (single overhead camshaft), 2994 cm³ / 182.7 cu in / 182.7 cu in, 265.0 N·m / 195.5 lb·ft / 195.5 lb·ft @ 4200 rpm / 4200 rpm / 4200 rpm, automatic 3-speed transmission, rear wheel drive, 220 km/h / 137 mph / 137 mph top speed

Marque (make)	Porsche	Issued from	1978
Model	911 SC Sportomatic	Issued until
Serie	911	Number made
Model family	M Series	Body construction
Model code		Body designation
Manufacturer	Porsche	Country	DE

Marque (make)

Porsche

Issued from

1978

Model

911 SC Sportomatic

Issued until

Serie

911

Number made

Model family

M Series

Body construction

Model code

Body designation

Manufacturer

Porsche

Country

Base platform		Number of doors	2
Bodywork type	fixed-head coupé	Number of seats	2+2
Bodywork designer		Cargo capacity (volume)
Passenger space (volume)		Max. cargo capacity (volume)

Base platform

Number of doors

Bodywork type

fixed-head coupé

Number of seats

2+2

Bodywork designer

Cargo capacity (volume)

Passenger space (volume)

Max. cargo capacity (volume)

Length	4291 mm / 168.9 in / 168.9 in	Total (curb) weight	1160 kg / 2557 lb / 2557 lb
Width	1652 mm / 65.0 in / 65.0 in	Dry weight
Height	1320 mm / 52.0 in / 52.0 in	Load capacity
Wheelbase	2272 mm / 89.4 in / 89.4 in	Gross (max.) weight
Track front	1369 mm / 53.9 in / 53.9 in	Towing weight
Track rear	1379 mm / 54.3 in / 54.3 in	Weight distribution (front)
Ground clearance	120 mm / 4.7 in / 4.7 in	Fuel capacity	80 l / 17.6 UK gal / 21.1 US gal
Length/wheelbase ratio	1.89

Length

4291 mm / 168.9 in / 168.9 in

Total (curb) weight

1160 kg / 2557 lb / 2557 lb

Width

1652 mm / 65.0 in / 65.0 in

Dry weight

Height

1320 mm / 52.0 in / 52.0 in

Load capacity

Wheelbase

2272 mm / 89.4 in / 89.4 in

Gross (max.) weight

Track front

1369 mm / 53.9 in / 53.9 in

Towing weight

Track rear

1379 mm / 54.3 in / 54.3 in

Weight distribution (front)

Ground clearance

120 mm / 4.7 in / 4.7 in

Fuel capacity

80 l / 17.6 UK gal / 21.1 US gal

Length/wheelbase ratio

1.89

Drag coefficient (Cd, Cx, Cw)		Frontal area (A)	1.85 m² / 20.0 sq ft / 20.0 sq ft (est.)
Aerodynamic coefficient (Cd×A)		Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Drag coefficient (Cd, Cx, Cw)

Frontal area (A)

1.85 m² / 20.0 sq ft / 20.0 sq ft (est.)

Aerodynamic coefficient (Cd×A)

Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine Code	930/03	Total number of cylinders	6
Engine Type	flat (horizontally opposed, boxer)	Total number of valves	12
Engine Manufacturer	Porsche	Valves per cylinder	2
Engine construction		Bore	95.0 mm / 3.74 in / 3.74 in
Fuel	petrol (gasoline)	Stroke	70.4 mm / 2.77 in / 2.77 in
Fuel details		Bore/Stroke ratio	1.35
Fuel supply	Bosch K-Jetronic fuel injection	Engine displacement	2994 cm³ / 182.7 cu in / 182.7 cu in
Engine Main bearings	8	Unitary capacity	499.00 cm³/cylinder / 30.451 cu in/cylinder / 30.451 cu in/cylinder
Cam Design	SOHC (single overhead camshaft)	Compression ratio	8.5 : 1
Sump	dry	Max. output power	at
Aspiration	natural	Max. torque	265.0 N·m / 195.5 lb·ft / 195.5 lb·ft at 4200 rpm / 4200 rpm / 4200 rpm
Compressor type	N/A	Maximum rpm
Intercooler	no	Max. net output (power at the wheels)	64.0 kW / 85.9 hp / 85.9 hp (est.)
Coolant	air	Specific output
Catalytic converter	no	Specific torque	88.5 N·m/l / 0.77 lb·ft/cu in / 0.77 lb·ft/cu in

Engine Code

930/03

Total number of cylinders

Engine Type

flat (horizontally opposed, boxer)

Total number of valves

Engine Manufacturer

Porsche

Valves per cylinder

Engine construction

Bore

95.0 mm / 3.74 in / 3.74 in

Fuel

petrol (gasoline)

Stroke

70.4 mm / 2.77 in / 2.77 in

Fuel details

Bore/Stroke ratio

1.35

Fuel supply

Bosch K-Jetronic fuel injection

Engine displacement

2994 cm³ / 182.7 cu in / 182.7 cu in

Engine Main bearings

Unitary capacity

499.00 cm³/cylinder / 30.451 cu in/cylinder / 30.451 cu in/cylinder

Cam Design

SOHC (single overhead camshaft)

Compression ratio

8.5 : 1

Sump

dry

Max. output power

Aspiration

natural

Max. torque

265.0 N·m / 195.5 lb·ft / 195.5 lb·ft at 4200 rpm / 4200 rpm / 4200 rpm

Compressor type

N/A

Maximum rpm

Intercooler

Max. net output (power at the wheels)

64.0 kW / 85.9 hp / 85.9 hp (est.)

Coolant

air

Specific output

Catalytic converter

Specific torque

88.5 N·m/l / 0.77 lb·ft/cu in / 0.77 lb·ft/cu in

Transmission type	automatic	Number of gears	3
Wheel drive	rear wheel drive	Top gear (drive) ratio	0.93
		Final gear (drive) ratio	3.38

Transmission type

automatic

Number of gears

Wheel drive

rear wheel drive

Top gear (drive) ratio

0.93

Final gear (drive) ratio

3.38

Acceleration 0-50 mph (80 km/h)		Top (maximal) speed	220 km/h / 137 mph / 137 mph
Acceleration 0-60 mph (97 km/h)		Power-to-weight ratio	153.0 kW/ton / 115.9 bhp/ton / 115.9 bhp/ton
Acceleration 0-100 km/h	7.00 s / 7.00 s / 7.00 s	Fuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)		Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in top		Fuel consumption, Mixed (combined)
Standing ¼mile time		Fuel consumption, Euro
Standing kilometer time		CO₂ emissions
		Range

Acceleration 0-50 mph (80 km/h)

Top (maximal) speed

220 km/h / 137 mph / 137 mph

Acceleration 0-60 mph (97 km/h)

Power-to-weight ratio

153.0 kW/ton / 115.9 bhp/ton / 115.9 bhp/ton

Acceleration 0-100 km/h

7.00 s / 7.00 s / 7.00 s

Fuel consumption, City (urban)

Acceleration 0-100 mph (160 km/h)

Fuel consumption, Road (extra-urban)

Acceleration 80-120 km/h (50-70 mph) in top

Fuel consumption, Mixed (combined)

Standing ¼mile time

Fuel consumption, Euro

Standing kilometer time

CO₂ emissions

Range

Engine location	rear	Engine alignment	longitudinal
Steering	rack & pinion	Steering details
Turns lock-to-lock		Turning circle
Suspension front	Independent, MacPherson strut, Wishbone (A-arm, control arm), Anti-roll (anti-sway) bar (ARB)	Suspension rear	Independent, Semi-trailing arm, Torsion bar, Anti-roll (anti-sway) bar (ARB)
Wheels front	6.5J x 15	Wheels rear	7J x 15
Tyres front	185/70 VR 15	Tyres rear	215/60 VR 15
Brakes front	ventilated disc	Brakes rear	ventilated disc
Brake diameter front	283 mm / 11.1 in / 11.1 in	Brake diameter rear	290 mm / 11.4 in / 11.4 in
Brakes details	servo-assisted	Braked area

Engine location

rear

Engine alignment

longitudinal

Steering

rack & pinion

Steering details

Turns lock-to-lock

Turning circle

Suspension front

Independent, MacPherson strut, Wishbone (A-arm, control arm), Anti-roll (anti-sway) bar (ARB)

Suspension rear

Independent, Semi-trailing arm, Torsion bar, Anti-roll (anti-sway) bar (ARB)

Wheels front

6.5J x 15

Wheels rear

7J x 15

Tyres front

185/70 VR 15

Tyres rear

215/60 VR 15

Brakes front

ventilated disc

Brakes rear

ventilated disc

Brake diameter front

283 mm / 11.1 in / 11.1 in

Brake diameter rear

290 mm / 11.4 in / 11.4 in

Brakes details

servo-assisted

Braked area

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