Monteverdi Hai 450 SS (1970) fixed-head coupé - technical specifications of 1970 Monteverdi Hai 450 SS

(1970 model)

Brief specs of 1970 Monteverdi Hai 450 SS

2-door 2-seater fixed-head coupé, petrol (gasoline) 8-cylinder 16-valve V engine, OHV (overhead valve, I-head), 6974 cm³ / 425.6 cu in / 425.6 cu in, 290.8 kW / 390.0 hp / 390.0 hp @ 5000 rpm / 5000 rpm / 5000 rpm, 586.0 N·m / 432.2 lb·ft / 432.2 lb·ft @ 4000 rpm / 4000 rpm / 4000 rpm, manual 5-speed transmission, rear wheel drive, 290 km/h / 180 mph / 180 mph top speed

Marque (make)	Monteverdi	Issued from	1970
Model	Hai 450 SS	Issued until
Serie	Hai	Number made
Model family		Body construction
Model code		Body designation
Manufacturer	Monteverdi	Country	Switzerland

Marque (make)

Monteverdi

Issued from

1970

Model

Hai 450 SS

Issued until

Serie

Hai

Number made

Model family

Body construction

Model code

Body designation

Manufacturer

Monteverdi

Country

Switzerland

Base platform		Number of doors	2
Bodywork type	fixed-head coupé	Number of seats	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

Bodywork designer

Cargo capacity (volume)

Passenger space (volume)

Max. cargo capacity (volume)

Length	4280 mm / 168.5 in / 168.5 in	Total (curb) weight	1290 kg / 2844 lb / 2844 lb
Width	1795 mm / 70.7 in / 70.7 in	Dry weight
Height	1090 mm / 42.9 in / 42.9 in	Load capacity
Wheelbase	2590 mm / 102.0 in / 102.0 in	Gross (max.) weight
Track front	1500 mm / 59.1 in / 59.1 in	Towing weight
Track rear	1460 mm / 57.5 in / 57.5 in	Weight distribution (front)
Ground clearance	130 mm / 5.1 in / 5.1 in	Fuel capacity	130 l / 28.6 UK gal / 34.3 US gal
Length/wheelbase ratio	1.65

Length

4280 mm / 168.5 in / 168.5 in

Total (curb) weight

1290 kg / 2844 lb / 2844 lb

Width

1795 mm / 70.7 in / 70.7 in

Dry weight

Height

1090 mm / 42.9 in / 42.9 in

Load capacity

Wheelbase

2590 mm / 102.0 in / 102.0 in

Gross (max.) weight

Track front

1500 mm / 59.1 in / 59.1 in

Towing weight

Track rear

1460 mm / 57.5 in / 57.5 in

Weight distribution (front)

Ground clearance

130 mm / 5.1 in / 5.1 in

Fuel capacity

130 l / 28.6 UK gal / 34.3 US gal

Length/wheelbase ratio

1.65

Drag coefficient (Cd, Cx, Cw)		Frontal area (A)	1.66 m² / 17.9 sq ft / 17.9 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)

1.66 m² / 17.9 sq ft / 17.9 sq ft (est.)

Aerodynamic coefficient (Cd×A)

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

Engine Code		Total number of cylinders	8
Engine Type	V engine (V8)	Total number of valves	16
Engine Manufacturer	Chrysler	Valves per cylinder	2
Engine construction		Bore	108.0 mm / 4.25 in / 4.25 in
Fuel	petrol (gasoline)	Stroke	95.2 mm / 3.75 in / 3.75 in
Fuel details		Bore/Stroke ratio	1.13
Fuel supply	2 Ca carbs	Engine displacement	6974 cm³ / 425.6 cu in / 425.6 cu in
Engine Main bearings	5	Unitary capacity	871.75 cm³/cylinder / 53.197 cu in/cylinder / 53.197 cu in/cylinder
Cam Design	OHV (overhead valve, I-head)	Compression ratio	10.2 : 1
Sump		Max. output power	290.8 kW / 390.0 hp / 390.0 hp at 5000 rpm / 5000 rpm / 5000 rpm
Aspiration	natural	Max. torque	586.0 N·m / 432.2 lb·ft / 432.2 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm
Compressor type	N/A	Maximum rpm
Intercooler	no	Max. net output (power at the wheels)	106.0 kW / 142.2 hp / 142.2 hp (est.)
Coolant	water	Specific output	41.7 kW/l / 0.916 bhp/cu in / 0.916 bhp/cu in
Catalytic converter	no	Specific torque	84.0 N·m/l / 0.74 lb·ft/cu in / 0.74 lb·ft/cu in

Engine Code

Total number of cylinders

Engine Type

V engine (V8)

Total number of valves

Engine Manufacturer

Chrysler

Valves per cylinder

Engine construction

Bore

108.0 mm / 4.25 in / 4.25 in

Fuel

petrol (gasoline)

Stroke

95.2 mm / 3.75 in / 3.75 in

Fuel details

Bore/Stroke ratio

1.13

Fuel supply

2 Ca carbs

Engine displacement

6974 cm³ / 425.6 cu in / 425.6 cu in

Engine Main bearings

Unitary capacity

871.75 cm³/cylinder / 53.197 cu in/cylinder / 53.197 cu in/cylinder

Cam Design

OHV (overhead valve, I-head)

Compression ratio

10.2 : 1

Sump

Max. output power

290.8 kW / 390.0 hp / 390.0 hp at 5000 rpm / 5000 rpm / 5000 rpm

Aspiration

natural

Max. torque

586.0 N·m / 432.2 lb·ft / 432.2 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm

Compressor type

N/A

Maximum rpm

Intercooler

Max. net output (power at the wheels)

106.0 kW / 142.2 hp / 142.2 hp (est.)

Coolant

water

Specific output

41.7 kW/l / 0.916 bhp/cu in / 0.916 bhp/cu in

Catalytic converter

Specific torque

84.0 N·m/l / 0.74 lb·ft/cu in / 0.74 lb·ft/cu in

Transmission type	manual	Number of gears	5
Wheel drive	rear wheel drive	Top gear (drive) ratio	0.8
		Final gear (drive) ratio	3.56

Transmission type

manual

Number of gears

Wheel drive

rear wheel drive

Top gear (drive) ratio

0.8

Final gear (drive) ratio

3.56

Acceleration 0-50 mph (80 km/h)		Top (maximal) speed	290 km/h / 180 mph / 180 mph
Acceleration 0-60 mph (97 km/h)	4.50 s / 4.50 s / 4.50 s	Power-to-weight ratio	302.3 kW/ton / 229.1 bhp/ton / 229.1 bhp/ton
Acceleration 0-100 km/h		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

290 km/h / 180 mph / 180 mph

Acceleration 0-60 mph (97 km/h)

4.50 s / 4.50 s / 4.50 s

Power-to-weight ratio

302.3 kW/ton / 229.1 bhp/ton / 229.1 bhp/ton

Acceleration 0-100 km/h

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	middle	Engine alignment	longitudinal
Steering	ZF worm & roller	Steering details
Turns lock-to-lock		Turning circle	10.9 m / 35.8 ft / 35.8 ft
Suspension front	Independent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)	Suspension rear	de Dion axle, Watt's linkage, Trailing arm, Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels front		Wheels rear
Tyres front		Tyres rear
Brakes front	ventilated disc	Brakes rear	ventilated disc
Brake diameter front		Brake diameter rear
Brakes details	servo-assisted	Braked area

Engine location

middle

Engine alignment

longitudinal

Steering

ZF worm & roller

Steering details

Turns lock-to-lock

Turning circle

10.9 m / 35.8 ft / 35.8 ft

Suspension front

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

Suspension rear

de Dion axle, Watt's linkage, Trailing arm, Coil springs, Anti-roll (anti-sway) bar (ARB)

Wheels front

Wheels rear

Tyres front

Tyres rear

Brakes front

ventilated disc

Brakes rear

ventilated disc

Brake diameter front

Brake diameter rear

Brakes details

servo-assisted

Braked area

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