Buick Roadmaster 5.7 i V8 (264 Hp) 1991

Key specs

Buick Roadmaster (Sedan) Roadmaster 1991,1992,1993,1994,1995,1996

What is the body type, Buick Roadmaster 5.7 i V8 (264 Hp) 1991?

Sedan, 4 Doors, 5 Seats

What is the fuel economy, Buick Roadmaster 5.7 i V8 (264 Hp) 1991?

11.8 l/100 km 19.93 US mpg
13.8 l/100 km 17.04 US mpg
9 l/100 km 26.13 US mpg

How much power, Buick Roadmaster 5.7 i V8 (264 Hp) 1991?

264 Hp @ 5000 rpm.
46 Hp/l

What is the engine size, Buick Roadmaster 5.7 i V8 (264 Hp) 1991?

5733 cm3
349.85 cu. in.

How many cylinders, Buick Roadmaster 5.7 i V8 (264 Hp) 1991?

8, V-engine

What is the drivetrain, Buick Roadmaster 5.7 i V8 (264 Hp) 1991?

Rear wheel drive,

How long is this vehicle, Buick Roadmaster 5.7 i V8 (264 Hp) 1991?

5483 mm
215.87 in.

How wide is the vehicle, Buick Roadmaster 5.7 i V8 (264 Hp) 1991?

1984 mm
78.11 in.

What is the curb weight, Buick Roadmaster 5.7 i V8 (264 Hp) 1991?

1858 kg
4096.19 lbs.

Buick Roadmaster (Sedan) Roadmaster 1991,1992,1993,1994,1995,1996 Specs

General information

Brand Buick
Model Roadmaster (Sedan)
Version Roadmaster
Engine version 5.7 i V8 (264 Hp)
Year production start 1991
Year production end 1996
Vehicle type Sedan
Horsepower RPM 264 Hp @ 5000 rpm.
Curb weight kg -lbs total

1858 kg

4096.19 lbs.
Overall length mm - inch

5483 mm

215.87 in.
Doors 4

Engine specs

Designation model LT1
Engine position and orientation Front, Longitudinal
Cylinders 8
Position of cylinders V-engine
Displacement (liters)

5733 cm3

349.85 cu. in.
Eng. horsepower RPM 264 Hp @ 5000 rpm.
Horsepower per litre 46 Hp/l
Weight / horsepower kg/hp - hp/tons

7 kg/Hp

142.1 Hp/tonne
Weight / torque kg/Nm - Nm/tons 4.1 kg/Nm, 244.3 Nm/tonne

4.1 kg/Nm

244.3 Nm/tonne
Torque Nm RPM lb-ft RPM

454 Nm @ 3200 rpm.

334.85 lb.-ft. @ 3200 rpm.
Bore (mm in)

101.6 mm

4 in.
Stroke (mm in)

88.4 mm

3.48 in.
Compression ratio 10.5
Fuel delivery system Multi-point indirect injection
Fuel type Petrol (Gasoline)
Valvetrain 2
Engine aspiration Naturally aspirated engine
Engine oil liters | quarts

4.7 l

4.97 US qt | 4.14 UK qt
Engine coolant

13.5 l

14.27 US qt | 11.88 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 Ventilated discs
Brake control Drum
Anti-lock brake system ABS (Anti-lock braking system)

Steering

Suspension

Front suspension Double wishbone
Rear suspension Helical spring

Body / Chassis

Wheels & Tyres

Wheels size 235/70 R15 S
Wheels rims 15

Exterior

Interior

Safety and Security

Passenger

Passengers seats 5
Trunk space min liter | cu. Ft.

596 l

21.05 cu. ft.

Dimensions

Overall length mm - inch

5483 mm

215.87 in.
Overall width mm -inch

1984 mm

78.11 in.
Overall height mm -inch

1421 mm

55.94 in.
Wheelbase mm - inch

2945 mm

115.94 in.
Track width front mm - inch

1568 mm

61.73 in.
Track width rear mm - inch

1542 mm

60.71 in.

Weights

Curb weight kg -lbs total

1858 kg

4096.19 lbs.
Fuel tank liters | gallons

87 l

22.98 US gal | 19.14 UK gal

Fuel economy

City l/100km - mpg

13.8 l/100 km

17.04 US mpg
Highway l/100 km - mpg

9 l/100 km

26.13 US mpg
Combined l/100 km - Mpg

11.8 l/100 km

19.93 US mpg
Autonomy km (combined use) 791

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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