1981-1983 Chevrolet Malibu IV Sedan (facelift ) 4.4 V8 (115 Hp) CAT Automatic

Technical Specifications

Brand Chevrolet
Model Malibu
Generation Malibu IV Sedan (facelift 1981)
Type (Engine) 4.4 V8 (115 Hp) CAT Automatic
Start of production 1981
End of production 1983
Powertrain Architecture Internal Combustion engine
Body type Sedan
Seats 6
Doors 4
Fuel Type Petrol (Gasoline)
Weight-to-power ratio 13.5 kg/Hp, 74 Hp/tonne
Weight-to-torque ratio 5.6 kg/Nm, 178.8 Nm/tonne
Power 115 Hp @ 4000 rpm
Power per litre 26.3 Hp/l
Torque 278 Nm @ 2400 rpm, 205.04 lb.-ft. @ 2400 rpm
Engine layout Front, Longitudinal
Engine Model/Code L39
Engine displacement 4376 cm3, 267.04 cu. in.
Number of cylinders 8
Engine configuration V-engine
Cylinder Bore 88.9 mm, 3.5 in.
Piston Stroke 88.4 mm, 3.48 in.
Compression ratio 8.3:1
Number of valves per cylinder 2
Fuel injection system Carburettor
Engine aspiration Naturally aspirated engine
Valvetrain OHV
Engine oil capacity 3.8 l, 4.02 US qt | 3.34 UK qt
Coolant 17.9 l, 18.91 US qt | 15.75 UK qt
Kerb Weight 1555 kg, 3428.19 lbs
Trunk (boot) space – maximum 469 l, 16.56 cu. ft
Fuel tank capacity 69 l, 18.23 US gal | 15.18 UK gal
Length 4895 mm, 192.72 in
Width 1837 mm, 72.32 in
Height 1414 mm, 55.67 in
Wheelbase 2745 mm, 108.07 in
Front track 1486 mm, 58.5 in
Rear (Back) track 1467 mm, 57.76 in
Front overhang 915 mm, 36.02 in
Rear overhang 1235 mm, 48.62 in
Ride height (ground clearance) 153 mm, 6.02 in
Minimum turning circle (turning diameter) 12.2 m, 40.03 ft
Approach angle 23.3°
Departure angle 16.5°
Ramp-over (brakeover) angle 15.4°
Drivetrain Architecture The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheel Rear wheel drive
Number of gears and type of gearbox 3 gears, automatic transmission
Front suspension Independent, type McPherson with coil spring and anti-roll bar
Rear suspension dependent spring suspension, Transverse stabilizer, Trailing arm
Front brakes Ventilated discs
Rear brakes Drum
Steering type Steering rack and pinion
Tires size 195/75 R14
Wheel rims size 6.0J x 14

The Chevrolet Malibu IV Sedan, specifically the facelifted version produced from 1981 to 1983, marked a significant downsizing for Chevrolet’s traditionally large American sedan. Responding to the automotive landscape of the early 1980s, driven by fuel efficiency concerns following the energy crises, the 1981-1983 Malibu aimed to provide a more compact and economical option for American families. This particular variant, equipped with the 4.4-liter (267 cubic inch) V8 engine producing 115 horsepower and paired with a three-speed automatic transmission, occupied a middle ground in the Malibu lineup. It offered a balance between performance and fuel economy, positioned above the base four-cylinder models but below the more powerful V6 options.

Powertrain & Engine Architecture

The heart of this Malibu variant was the Chevrolet 305 cubic inch (4.4-liter) small-block V8, designated the L39 engine code. This engine, a mainstay of Chevrolet for decades, utilized a traditional overhead valve (OHV) valvetrain and was fed by a two-barrel carburetor. While not designed for high performance, the L39 was renowned for its durability and relatively smooth operation. The 8.3:1 compression ratio represented a compromise, aiming for acceptable fuel economy while still delivering adequate power. The three-speed automatic transmission, a TH350, was a common and reliable unit, though its gear ratios were optimized for cruising rather than rapid acceleration. The transmission’s shift points were calibrated to balance fuel efficiency with drivability. The TH350 was a torque converter automatic, providing smooth, but not particularly quick, shifts.

Driving Characteristics

The 115-horsepower V8 and three-speed automatic combination delivered adequate, but not exhilarating, performance. Acceleration from 0 to 60 mph was estimated to be around 11-12 seconds. The automatic transmission’s gear ratios prioritized smooth cruising and fuel economy over quick acceleration. Compared to the available V6 engines, the V8 offered more low-end torque, making it feel more responsive in everyday driving situations, particularly when merging onto highways or climbing hills. However, the V8 was noticeably less fuel-efficient than the four-cylinder or V6 options. The rear-wheel-drive configuration provided a balanced feel, but the relatively soft suspension tuning resulted in noticeable body roll during cornering. Steering was relatively light, typical of American cars of the era, prioritizing ease of use over precise handling.

Equipment & Trim Levels

The 1981-1983 Malibu with the 4.4L V8 and automatic transmission typically came standard with features like cloth upholstery, a basic AM radio, and manual windows and locks. Air conditioning, power steering, and power brakes were often included, but could also be optional depending on the specific package. Higher trim levels, such as the Malibu Classic, offered upgrades such as upgraded interior fabrics, a more comprehensive sound system, and additional convenience features like cruise control and upgraded exterior trim. Optional features also included a tilt steering wheel and various exterior color choices.

Chassis & Braking

The Malibu IV utilized a body-on-frame construction, a common practice for American sedans of the era. This construction method, while providing a comfortable ride, contributed to the car’s relatively substantial weight. The front suspension featured independent McPherson struts with coil springs and an anti-roll bar, while the rear suspension employed a traditional leaf spring setup with a transverse stabilizer. This configuration prioritized ride comfort over handling precision. Braking duties were handled by ventilated discs at the front and drum brakes at the rear. The braking system was adequate for normal driving conditions, but lacked the stopping power and modulation of more advanced systems found on contemporary European or Japanese vehicles.

Market Reception & Comparison

The 1981-1983 Malibu with the 4.4L V8 and automatic transmission was generally well-received as a comfortable and reliable family sedan. Critics noted its improved fuel economy compared to previous generations of full-size Chevrolets, but also pointed out its relatively modest performance. Compared to the four-cylinder models, the V8 offered a significant improvement in drivability and refinement. However, the V6 options provided a better balance of power and fuel economy, becoming increasingly popular with buyers. The Malibu faced competition from other downsized American sedans, such as the Ford Fairmont and the Dodge Aries, all vying for the attention of fuel-conscious consumers.

Legacy

The Chevrolet Malibu IV Sedan, particularly the 4.4L V8 automatic variant, represents a transitional period in American automotive history. It marked a shift towards smaller, more fuel-efficient vehicles, while still retaining some of the traditional American characteristics of comfort and durability. The L39 V8 engine proved to be a reliable powerplant, and many examples are still on the road today, a testament to its robust design. While not a particularly collectible model, the 1981-1983 Malibu remains a popular choice for those seeking a classic American sedan that is relatively affordable to maintain and operate. The automatic transmission, while not the most technologically advanced, is known for its longevity when properly maintained, and parts availability remains relatively good. The car serves as a reminder of a time when American automakers were adapting to changing market demands and striving to balance performance, efficiency, and affordability.

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