Lamborghini Countach LP400S (1977) fixed-head coupé - technical specifications of 1977 Lamborghini Countach LP400S

Lamborghini Countach LP400S

(1977 model)

Brief specs of 1977 Lamborghini Countach LP400S

2-door 2-seater fixed-head coupé, petrol (gasoline) 12-cylinder 24-valve V engine, DOHC (double overhead camshafts, twin cam), 3929 cm³ / 239.8 cu in / 239.8 cu in, 279.6 kW / 374.9 hp / 374.9 hp @ 8000 rpm / 8000 rpm / 8000 rpm, 361.0 N·m / 266.3 lb·ft / 266.3 lb·ft @ 5000 rpm / 5000 rpm / 5000 rpm, manual 5-speed transmission, rear wheel drive, 264 km/h / 164 mph / 164 mph top speed

Marque (make)	Lamborghini	Issued from	1977
Model	Countach LP400S	Issued until
Serie	Countach	Number made
Model family		Body construction
Model code		Body designation
Manufacturer	Automobili Lamborghini SpA	Country	IT

Marque (make)

Lamborghini

Issued from

1977

Model

Countach LP400S

Issued until

Serie

Countach

Number made

Model family

Body construction

Model code

Body designation

Manufacturer

Automobili Lamborghini SpA

Country

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

Base platform

Number of doors

Bodywork type

fixed-head coupé

Number of seats

Bodywork designer

Bertone

Cargo capacity (volume)

Passenger space (volume)

Max. cargo capacity (volume)

Length	4140 mm / 163.0 in / 163.0 in	Total (curb) weight	1370 kg / 3020 lb / 3020 lb
Width	1890 mm / 74.4 in / 74.4 in	Dry weight
Height	1070 mm / 42.1 in / 42.1 in	Load capacity
Wheelbase	2450 mm / 96.5 in / 96.5 in	Gross (max.) weight
Track front	1500 mm / 59.1 in / 59.1 in	Towing weight
Track rear	1520 mm / 59.8 in / 59.8 in	Weight distribution (front)	43.0 % / 43.0 % / 43.0 %
Ground clearance	124 mm / 4.9 in / 4.9 in	Fuel capacity	120 l / 26.4 UK gal / 31.7 US gal
Length/wheelbase ratio	1.69

Length

4140 mm / 163.0 in / 163.0 in

Total (curb) weight

1370 kg / 3020 lb / 3020 lb

Width

1890 mm / 74.4 in / 74.4 in

Dry weight

Height

1070 mm / 42.1 in / 42.1 in

Load capacity

Wheelbase

2450 mm / 96.5 in / 96.5 in

Gross (max.) weight

Track front

1500 mm / 59.1 in / 59.1 in

Towing weight

Track rear

1520 mm / 59.8 in / 59.8 in

Weight distribution (front)

43.0 % / 43.0 % / 43.0 %

Ground clearance

124 mm / 4.9 in / 4.9 in

Fuel capacity

120 l / 26.4 UK gal / 31.7 US gal

Length/wheelbase ratio

1.69

Drag coefficient (Cd, Cx, Cw)		Frontal area (A)	1.72 m² / 18.5 sq ft / 18.5 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)

1.72 m² / 18.5 sq ft / 18.5 sq ft (est.)

Aerodynamic coefficient (Cd×A)

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

Engine Code		Total number of cylinders	12
Engine Type	V engine	Total number of valves	24
Engine Manufacturer	Lamborghini	Valves per cylinder	2
Engine construction	light alloy block & head	Bore	82.0 mm / 3.23 in / 3.23 in
Fuel	petrol (gasoline)	Stroke	62.0 mm / 2.44 in / 2.44 in
Fuel details		Bore/Stroke ratio	1.32
Fuel supply	6 We 45 DCOE 104-105 carbs	Engine displacement	3929 cm³ / 239.8 cu in / 239.8 cu in
Engine Main bearings	7	Unitary capacity	327.42 cm³/cylinder / 19.980 cu in/cylinder / 19.980 cu in/cylinder
Cam Design	DOHC (double overhead camshafts, twin cam)	Compression ratio	10.5 : 1
Sump		Max. output power	279.6 kW / 374.9 hp / 374.9 hp at 8000 rpm / 8000 rpm / 8000 rpm
Aspiration	natural	Max. torque	361.0 N·m / 266.3 lb·ft / 266.3 lb·ft at 5000 rpm / 5000 rpm / 5000 rpm
Compressor type	N/A	Maximum rpm
Intercooler	no	Max. net output (power at the wheels)	84.8 kW / 113.7 hp / 113.7 hp (est.)
Coolant	water	Specific output	71.2 kW/l / 1.564 bhp/cu in / 1.564 bhp/cu in
Catalytic converter	no	Specific torque	91.9 N·m/l / 0.80 lb·ft/cu in / 0.80 lb·ft/cu in

Engine Code

Total number of cylinders

Engine Type

V engine

Total number of valves

Engine Manufacturer

Lamborghini

Valves per cylinder

Engine construction

light alloy block & head

Bore

82.0 mm / 3.23 in / 3.23 in

Fuel

petrol (gasoline)

Stroke

62.0 mm / 2.44 in / 2.44 in

Fuel details

Bore/Stroke ratio

1.32

Fuel supply

6 We 45 DCOE 104-105 carbs

Engine displacement

3929 cm³ / 239.8 cu in / 239.8 cu in

Engine Main bearings

Unitary capacity

327.42 cm³/cylinder / 19.980 cu in/cylinder / 19.980 cu in/cylinder

Cam Design

DOHC (double overhead camshafts, twin cam)

Compression ratio

10.5 : 1

Sump

Max. output power

279.6 kW / 374.9 hp / 374.9 hp at 8000 rpm / 8000 rpm / 8000 rpm

Aspiration

natural

Max. torque

361.0 N·m / 266.3 lb·ft / 266.3 lb·ft at 5000 rpm / 5000 rpm / 5000 rpm

Compressor type

N/A

Maximum rpm

Intercooler

Max. net output (power at the wheels)

84.8 kW / 113.7 hp / 113.7 hp (est.)

Coolant

water

Specific output

71.2 kW/l / 1.564 bhp/cu in / 1.564 bhp/cu in

Catalytic converter

Specific torque

91.9 N·m/l / 0.80 lb·ft/cu in / 0.80 lb·ft/cu in

Transmission type	manual	Number of gears	5
Wheel drive	rear wheel drive	Top gear (drive) ratio	0.78
		Final gear (drive) ratio	4.09

Transmission type

manual

Number of gears

Wheel drive

rear wheel drive

Top gear (drive) ratio

0.78

Final gear (drive) ratio

4.09

Acceleration 0-50 mph (80 km/h)	4.60 s / 4.60 s / 4.60 s	Top (maximal) speed	264 km/h / 164 mph / 164 mph
Acceleration 0-60 mph (97 km/h)	5.90 s / 5.90 s / 5.90 s	Power-to-weight ratio	273.7 kW/ton / 207.4 bhp/ton / 207.4 bhp/ton
Acceleration 0-100 km/h		Fuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)	14.40 s / 14.40 s / 14.40 s	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)

4.60 s / 4.60 s / 4.60 s

Top (maximal) speed

264 km/h / 164 mph / 164 mph

Acceleration 0-60 mph (97 km/h)

5.90 s / 5.90 s / 5.90 s

Power-to-weight ratio

273.7 kW/ton / 207.4 bhp/ton / 207.4 bhp/ton

Acceleration 0-100 km/h

Fuel consumption, City (urban)

Acceleration 0-100 mph (160 km/h)

14.40 s / 14.40 s / 14.40 s

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	middle	Engine alignment	longitudinal
Steering	rack & pinion	Steering details
Turns lock-to-lock	3	Turning circle	13.0 m / 42.7 ft / 42.7 ft
Suspension front	Independent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)	Suspension rear	Independent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels front	8.5	Wheels rear	12
Tyres front	Pirelli P7 205/50 VR 15	Tyres rear	Pirelli P7 345/35 VR 15
Brakes front	ventilated disc	Brakes rear	ventilated disc
Brake diameter front	300 mm / 11.8 in / 11.8 in	Brake diameter rear	280 mm / 11.0 in / 11.0 in
Brakes details	servo-assisted	Braked area

Engine location

middle

Engine alignment

longitudinal

Steering

rack & pinion

Steering details

Turns lock-to-lock

Turning circle

13.0 m / 42.7 ft / 42.7 ft

Suspension front

Independent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)

Suspension rear

Independent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)

Wheels front

8.5

Wheels rear

Tyres front

Pirelli P7 205/50 VR 15

Tyres rear

Pirelli P7 345/35 VR 15

Brakes front

ventilated disc

Brakes rear

ventilated disc

Brake diameter front

300 mm / 11.8 in / 11.8 in

Brake diameter rear

280 mm / 11.0 in / 11.0 in

Brakes details

servo-assisted

Braked area

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