1977-1978 Chevrolet Malibu El Camino (Sedan Pickup) 5.7 V8 (170 Hp) CAT

The Chevrolet Malibu El Camino, specifically the 5.7 V8 (170 hp) variant produced between 1977 and 1978, represents a unique chapter in Chevrolet’s history. Falling within the third generation of the Malibu (1973-1977), the El Camino was Chevrolet’s answer to the Ford Ranchero, blending the practicality of a pickup truck with the styling of a mid-size car. This particular configuration, featuring the 350 cubic inch V8 and a catalytic converter (hence the “CAT” designation), occupied a middle ground in the El Camino lineup, offering a balance of power and economy for the American market. It was positioned above the six-cylinder models but below the higher-performance V8 options.

Technical Specifications

Brand Chevrolet
Model Malibu
Generation Malibu El Camino (Sedan Pickup)
Type (Engine) 5.7 V8 (170 Hp) CAT
Start of production 1977
End of production 1978
Powertrain Architecture Internal Combustion engine
Body type Pick-up
Seats 3
Doors 2
Fuel Type Petrol (Gasoline)
Power 170 Hp @ 3800 rpm
Power per litre 29.7 Hp/l
Torque 366 Nm @ 2400 rpm / 269.95 lb.-ft. @ 2400 rpm
Engine layout Front, Longitudinal
Engine displacement 5733 cm3 / 349.85 cu. in.
Number of cylinders 8
Engine configuration V-engine
Cylinder Bore 101.6 mm / 4 in.
Piston Stroke 88.39 mm / 3.48 in.
Compression ratio 8.2:1
Number of valves per cylinder 2
Fuel injection system Carburettor
Engine aspiration Naturally aspirated engine
Valvetrain OHV
Engine oil capacity 4.3 l / 4.54 US qt | 3.78 UK qt
Trunk (boot) space – maximum 2033 l / 71.79 cu. ft.
Fuel tank capacity 66 l / 17.44 US gal | 14.52 UK gal
Length 5121 mm / 201.61 in.
Width 1826 mm / 71.89 in.
Height 1366 mm / 53.78 in.
Wheelbase 2974 mm / 117.09 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 1232 mm / 48.5 in.
Ride height (ground clearance) 147 mm / 5.79 in.
Approach angle 20°
Departure angle 15°
Ramp-over (brakeover) angle 13°
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 4 gears, manual 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 205/75 R14
Wheel rims size 6.0J x 14

Powertrain & Engine Architecture

The heart of this El Camino variant was the Chevrolet 350 cubic inch (5.7L) small-block V8 engine. Specifically, it utilized the ‘One-barrel’ carburetor setup, delivering 170 horsepower at 3800 rpm and 366 Nm (269.95 lb-ft) of torque at 2400 rpm. The engine featured a cast iron block and cylinder heads, with a two-bolt main bearing cap design. The overhead valve (OHV) configuration, common for Chevrolet V8s of the era, employed pushrods to actuate the valves. The 8.2:1 compression ratio was a compromise necessitated by the introduction of catalytic converters, which were sensitive to high compression ratios and leaded fuel. The catalytic converter was a key feature, mandated by increasingly stringent emissions regulations. The engine was longitudinally mounted in the front of the vehicle, driving the rear wheels. While a three-speed automatic transmission was available on other Malibu El Camino trims, this 170 hp version was typically paired with a four-speed manual transmission, offering drivers more control over the engine’s power band.

Driving Characteristics

The 170 hp V8-equipped El Camino offered a respectable, if not exhilarating, driving experience. The four-speed manual transmission allowed drivers to keep the engine in its optimal power range, providing adequate acceleration for everyday driving and light hauling. However, compared to the higher-output V8 options (like the 200 hp or 220 hp versions), this variant felt less responsive, particularly when fully loaded. The rear-wheel-drive configuration provided a traditional truck-like feel, with a tendency towards oversteer if pushed hard. The suspension, while adequate for general use, wasn’t designed for aggressive cornering. The McPherson strut front suspension offered a reasonable level of comfort, while the rear leaf spring suspension prioritized load-carrying capacity over ride quality.

Equipment & Trim Levels

The 170 hp El Camino typically came with a fairly basic level of equipment. Standard features included a vinyl bench seat, basic instrumentation (speedometer, fuel gauge, temperature gauge), and a standard AM radio. Optional extras included air conditioning, power steering, power brakes, upgraded interior trim, and a variety of audio systems. The exterior trim was relatively simple, with minimal brightwork compared to the more luxurious Malibu models. The interior was generally functional and durable, reflecting the El Camino’s work-oriented nature. Color choices were typically conservative, with a focus on earth tones and metallic shades.

Chassis & Braking

The El Camino chassis was based on the Chevrolet A-body platform, shared with the Malibu sedan and other GM mid-size cars. The front suspension utilized independent McPherson struts with coil springs and an anti-roll bar, providing a degree of ride comfort and handling stability. The rear suspension employed a traditional leaf spring setup with a transverse stabilizer, designed to handle heavier loads. Braking duties were handled by ventilated discs at the front and drum brakes at the rear. The braking system was adequate for the vehicle’s weight and performance, but lacked the stopping power of more modern systems. The 205/75 R14 tires provided a reasonable balance of grip and ride comfort.

Market Reception & Comparison

The 170 hp El Camino was generally well-received as a practical and affordable option for buyers who needed a versatile vehicle. Critics noted its decent fuel economy (for a V8-powered vehicle of the era) and its ability to handle both passenger and cargo duties. However, it was often criticized for its lack of refinement and its relatively modest performance compared to the higher-output V8 models. Compared to the six-cylinder El Caminos, the 170 hp V8 offered a significant boost in power and towing capacity, making it a more appealing choice for those who frequently hauled or towed. Compared to the Ford Ranchero, the El Camino was often seen as being more stylish and offering a slightly more refined driving experience.

Legacy

The 1977-1978 Chevrolet Malibu El Camino 5.7 V8 (170 hp) CAT, while not the most powerful or luxurious version of the El Camino, remains a popular choice among classic car enthusiasts. The 350 small-block V8 is known for its reliability and ease of maintenance, and parts are readily available. These El Caminos are often sought after for restoration projects or as affordable entry points into the world of classic American cars. While not particularly rare, well-maintained examples are becoming increasingly valuable. The combination of a V8 engine, a pickup bed, and classic styling continues to appeal to a wide range of buyers in the used car market.

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