Porsche 928 4.5 V8 (240 Hp) Automatic 1977

Key specs

Porsche 928 (Coupe) 928 1977,1978,1979,1980,1981,1982

What is the body type, Porsche 928 4.5 V8 (240 Hp) Automatic 1977?

Coupe, 2 Doors, 4 Seats

What is the fuel economy, Porsche 928 4.5 V8 (240 Hp) Automatic 1977?

16-20 l/100 km 14.7 - 11.76 US mpg

How much power, Porsche 928 4.5 V8 (240 Hp) Automatic 1977?

240 Hp @ 5500 rpm.
53.6 Hp/l

How fast is the car, Porsche 928 4.5 V8 (240 Hp) Automatic 1977?

225 km/h 139.81 mph

What is the engine size, Porsche 928 4.5 V8 (240 Hp) Automatic 1977?

4474 cm3
273.02 cu. in.

How many cylinders, Porsche 928 4.5 V8 (240 Hp) Automatic 1977?

8, V-engine

What is the drivetrain, Porsche 928 4.5 V8 (240 Hp) Automatic 1977?

Rear wheel drive,

How long is this vehicle, Porsche 928 4.5 V8 (240 Hp) Automatic 1977?

4447 mm
175.08 in.

How wide is the vehicle, Porsche 928 4.5 V8 (240 Hp) Automatic 1977?

1836 mm
72.28 in.

What is the curb weight, Porsche 928 4.5 V8 (240 Hp) Automatic 1977?

1540 kg
3395.12 lbs.

Porsche 928 (Coupe) 928 1977,1978,1979,1980,1981,1982 Specs

General information

Brand Porsche
Model 928 (Coupe)
Version 928
Engine version 4.5 V8 (240 Hp) Automatic
Year production start 1977
Year production end 1982
Vehicle type Coupe
Horsepower RPM 240 Hp @ 5500 rpm.
Acceleration 0 - 100 kmh sec 8 sec
Curb weight kg -lbs total

1540 kg

3395.12 lbs.
Overall length mm - inch

4447 mm

175.08 in.
Doors 2
Top Speed 225 km/h 139.81 mph

Engine specs

Designation model M28.02, M28.10
Cam configuration DOHC
Engine position and orientation Front, Longitudinal
Cylinders 8
Position of cylinders V-engine
Displacement (liters)

4474 cm3

273.02 cu. in.
Eng. horsepower RPM 240 Hp @ 5500 rpm.
Horsepower per litre 53.6 Hp/l
Weight / horsepower kg/hp - hp/tons

6.4 kg/Hp

155.8 Hp/tonne
Weight / torque kg/Nm - Nm/tons 4.4 kg/Nm, 227.3 Nm/tonne

4.4 kg/Nm

227.3 Nm/tonne
Torque Nm RPM lb-ft RPM

350 Nm @ 3600 rpm.

258.15 lb.-ft. @ 3600 rpm.
Bore (mm in)

95 mm

3.74 in.
Stroke (mm in)

78.9 mm

3.11 in.
Compression ratio 8.5
Fuel delivery system Multi-point indirect injection
Fuel type Petrol (Gasoline)
Valvetrain 4
Engine aspiration Naturally aspirated engine
Engine oil liters | quarts

6.5 l

6.87 US qt | 5.72 UK qt
Engine coolant

16 l

16.91 US qt | 14.08 UK qt
Powertrain architecture Internal Combustion engine
Engine location Front, Longitudinal

Transmission and Drive system

Drive configuration Rear wheel drive

Brakes

Front brakes Ventilated discs
Rear brakes Disc
Anti-lock brake system ABS (Anti-lock braking system)

Steering

Steering type Steering rack and pinion
Turning diameter m - ft

11.5 m

37.73 ft.

Suspension

Front suspension Double wishbone
Rear suspension Double wishbone

Body / Chassis

Wheels & Tyres

Wheels size Front wheel tires: 225/60 VR16
Wheels rims Front wheel rims: 7J x 16

Exterior

Interior

Safety and Security

Passenger

Passengers seats 4

Dimensions

Overall length mm - inch

4447 mm

175.08 in.
Overall width mm -inch

1836 mm

72.28 in.
Overall height mm -inch

1313 mm

51.69 in.
Wheelbase mm - inch

2500 mm

98.43 in.
Track width front mm - inch

1551 mm

61.06 in.
Track width rear mm - inch

1530 mm

60.24 in.

Weights

Curb weight kg -lbs total

1540 kg

3395.12 lbs.
Gross weight kg -lbs total

1870 kg

4122.64 lbs.
Capacities kg - lbs

330 kg

727.53 lbs.
Fuel tank liters | gallons

86 l

22.72 US gal | 18.92 UK gal

Fuel economy

Combined l/100 km - Mpg

16-20 l/100 km

14.7 - 11.76 US mpg
Autonomy km (combined use) #VALORE!

Engine type

8 CYLINDER V-Engine
It's an engine with eight cylinder piston where the cylinders share a common crankshaft and are arranged in a V configuration.

What is the 8 cylinder V-engine displacement: it is in a range between 2926 cc and 8135 cc in recent model line up powertrain.

How much is the power of the 8 cylinder V-engine: the power of the 8 cylinder V-engine is in a range from 125 bhp to 1160 bhp.

Which cars use 8 cylinder V-engine: in recent years several manufactures have been used the V8 engine for 3 main applications: premium, sport cars and lightweight trucks. 8 V engine is the American preferred engine for iconic giant pick-up.

What is the eight cylinder V angle: the majority of V8 engines use a V-angle of 90 degrees. This angle results in good engine balance and low vibrations. The downside is a larger powertrain body that makes the use of this configuration suitable only for longitudinal position and rear drive wheels traction.

V8 engines with a 60 degree V-angle were used in the 1996-1999 by Ford and in 2005-2011 by Volvo. The Ford engine used a 60 degree V-angle because it was based on a V6 engine with a 60 degree V-angle. Both the Ford and Volvo engines were used in transverse engine chassis, which were designed for a front-wheel-drive layout. To reduce the vibrations caused by the unbalanced 60 degree V-angle, Volvo's used a balance shaft and offset split crankpins.

The Rolls-Royce Meteorite tank engine also used a 60 degree V-angle, since it was derived from the 60 degree V12 Rolls-Royce Meteor which in turn was based on the famous Rolls-Royce Merlin V12 engine.

Most V8 engines fitted to road cars use a cross-plane crankshaft, since this configuration produces less vibration due to the perfect primary balance and secondary balance.

The rumbling exhaust sound produced by a typical cross-plane V8 engine is partly due to the uneven firing order within each of the two banks of four cylinders and with separate exhaust systems for each bank of cylinders, this uneven pulsing creates the legendary rumbling sound that is typically of V8 engines.

edited by arrabbiata

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