1979-1981 Ford F-Series F-150 VII SuperCab 4.9 Six (117 Hp)

The Ford F-Series F-150 VII SuperCab, specifically equipped with the 4.9-liter inline-six engine producing 117 horsepower, represents a significant iteration in the long and storied history of Ford’s full-size pickup trucks. Produced from 1979 through 1981, this variant occupied a crucial position in the F-Series lineup, offering a balance between affordability, capability, and practicality for a broad range of buyers. It was part of the seventh generation of the F-Series (1973-1979, with carryover to 1980), a generation known for its increased size, improved comfort, and expanded feature set compared to its predecessors. The SuperCab configuration, introduced in 1974, provided an extended cab option, offering additional passenger space and utility, making it a popular choice for families and work crews.

Technical Specifications

Powertrain & Engine Architecture

The heart of this F-150 variant was the 4.9-liter (299 cubic inch) inline-six cylinder engine. Commonly referred to as the “300 six” due to its later, more famous iteration, this engine was a workhorse known for its durability and low-end torque. The 1979-1981 version, however, produced 117 horsepower and 308 Nm (227.17 lb-ft) of torque. It utilized a single-barrel carburetor for fuel delivery, a relatively simple system that prioritized reliability over outright performance. The engine featured a cast iron block and cylinder head, contributing to its robust nature. The valvetrain employed a conventional pushrod design. The three-speed manual transmission was the standard offering, providing a straightforward and durable shifting experience. While an automatic transmission was available as an option, the manual was favored by those prioritizing fuel economy and direct control.

Driving Characteristics

The 4.9-liter engine and three-speed manual transmission combination delivered a driving experience focused on utility rather than speed. Acceleration was modest, and the truck was not designed for quick maneuvers. However, the engine’s low-end torque provided adequate power for hauling moderate loads and navigating varied terrain. The gear ratios were optimized for work, with a relatively low first gear for starting with a heavy load and a higher final drive ratio for highway cruising. Compared to the optional V8 engines available in the F-150, this inline-six offered significantly less horsepower and torque, resulting in slower acceleration and reduced towing capacity. However, it also provided better fuel economy and a simpler, more reliable powertrain.

Equipment & Trim Levels

The F-150 SuperCab 4.9L typically came with a fairly basic level of equipment, reflecting its position as a value-oriented trim. Standard features included a vinyl bench seat, basic instrumentation (speedometer, fuel gauge, temperature gauge), and a simple AM radio. The SuperCab configuration added a rear seat, increasing passenger capacity. Optional extras included air conditioning, a more powerful radio, upgraded interior trim, and various towing packages. The interior was generally utilitarian, with durable materials designed to withstand heavy use. The dashboard layout was straightforward and functional, prioritizing ease of use over aesthetics.

Chassis & Braking

The F-150’s chassis was a traditional body-on-frame construction, providing a robust and durable platform. The front suspension utilized independent coil springs, offering a reasonable ride quality for a truck of its size. The rear suspension employed leaf springs, which were well-suited for carrying heavy loads. Braking duties were handled by disc brakes in the front and drum brakes in the rear. Power steering was available, making maneuvering the large truck easier, especially at low speeds. Tire sizes typically ranged from 225/75 R15 to 235/75 R15, providing a good balance of traction and ride comfort. The truck’s relatively high ground clearance allowed it to navigate rough terrain with ease.

Market Reception & Comparison

The F-150 SuperCab 4.9L was generally well-received by buyers seeking a practical and affordable full-size pickup. Critics acknowledged its durability and fuel efficiency, but noted its lack of power compared to V8-equipped models. It was often compared to the Chevrolet C/K series and the Dodge D series pickups, all of which offered similar configurations. The Ford’s SuperCab option was a key selling point, providing a unique combination of passenger space and cargo capacity. Fuel economy was a notable advantage over the V8 options, particularly during the late 1970s and early 1980s when gasoline prices were rising.

Legacy

The 4.9-liter inline-six engine, in its later, more powerful form (the “300 six”), became legendary for its longevity and reliability. While the 117-horsepower version of the engine was less celebrated, it still proved to be a durable and dependable powerplant. Today, these F-150s are increasingly sought after by collectors and enthusiasts who appreciate their simplicity and ruggedness. The 4.9-liter engine is relatively easy to maintain and repair, and parts are still readily available. While not a high-performance machine, the F-150 SuperCab 4.9L represents a significant chapter in the history of Ford trucks, embodying the values of practicality, durability, and affordability that have made the F-Series America’s best-selling pickup for decades.