The Ford F-Series F-100 VII Regular Cab, equipped with the 4.2-liter V8 engine and automatic transmission, represented a transitional period for the iconic Ford pickup truck. Produced for the 1981 and 1982 model years, this variant occupied a middle ground in the F-Series lineup, offering a step up in power from the smaller six-cylinder engines while remaining more affordable than the larger 5.8-liter V8. It was part of the seventh generation (1980-1986) of the F-Series, a generation known for its increased comfort and refinement compared to its predecessors, while still maintaining its reputation as a rugged and capable work truck.
Technical Specifications
| Brand | Ford |
| Model | F-Series F-100/F-150 |
| Generation | F-Series F-100 VII Regular Cab |
| Type (Engine) | 4.2 V8 (115 Hp) Automatic |
| Start of production | 1981 |
| End of production | 1982 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 2-3 |
| Doors | 2 |
| Fuel Type | Petrol (Gasoline) |
| Power | 115 Hp |
| Power per litre | 27.5 Hp/l |
| Torque | 279 Nm / 205.78 lb.-ft. |
| Engine layout | Front, Longitudinal |
| Engine displacement | 4179 cm3 / 255.02 cu. in. |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Fuel injection system | Carburettor |
| Engine aspiration | Naturally aspirated engine |
| Max. weight | 2336 kg / 5150 lbs. |
| Fuel tank capacity | 62-72 l / 16.38 – 19.02 US gal | 13.64 – 15.84 UK gal |
| Length | 4808-5291 mm / 189.29 – 208.31 in. |
| Width | 1372-1778 mm / 54.02 – 70 in. |
| Height | 1755-1760 mm / 69.09 – 69.29 in. |
| Wheelbase | 2967-3378 mm / 116.81 – 132.99 in. |
| Wading depth | 696-721 mm / 27.4 – 28.39 in. |
| 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 | automatic transmission SelectShift |
| Front suspension | Independent coil spring |
| Front brakes | Disc |
| Rear brakes | Drum |
| Power steering | Electric Steering |
| Tires size | 195/75 R15; 205/75 R15 |
| Wheel rims size | 5.5J x 15 |
Powertrain & Engine Architecture
The heart of this F-100 variant was the 4.2-liter (255 cubic inch) Ford 300 inline-eight engine. While technically a V8, its compact design and 90-degree V-angle resulted in a relatively narrow engine, aiding in packaging within the engine bay. This engine utilized a two-barrel carburetor for fuel delivery, a common setup for the time, though less efficient and precise than fuel injection systems. The engine featured a cast iron block and heads, contributing to its durability but also adding to its overall weight. The valvetrain employed a pushrod design, a cost-effective and reliable system. The “SelectShift” automatic transmission was a three-speed unit, designed to provide smooth and relatively efficient operation for everyday driving and hauling. It wasn’t known for its performance, but rather its dependability.
Driving Characteristics
The 115 horsepower and 205 lb-ft of torque produced by the 4.2-liter V8, when paired with the three-speed automatic, resulted in a driving experience focused on utility rather than speed. Acceleration was modest, and passing maneuvers required careful planning. The automatic transmission’s gear ratios were optimized for towing and hauling, meaning the engine often operated at higher RPMs during highway cruising. Compared to the available 5.8-liter V8, the 4.2-liter felt noticeably less powerful, especially when loaded with cargo. However, it offered a smoother and more relaxed driving experience than the base six-cylinder engines. The rear-wheel-drive configuration and relatively simple suspension setup provided a comfortable ride, but handling was not particularly sharp.
Equipment & Trim Levels
The F-100, in general, was offered in a range of trim levels, but the 4.2-liter automatic configuration typically fell into the mid-range. Standard features included a basic vinyl bench seat, a simple dashboard with essential gauges, and manual windows and locks. Options included upgraded interior trim, air conditioning, a radio, and various towing packages. The exterior typically featured minimal chrome trim, reflecting its work-oriented nature. Buyers could choose from a variety of paint colors, but the emphasis was on practicality rather than luxury.
Chassis & Braking
The F-100 VII utilized a body-on-frame construction, providing a robust and durable platform. The front suspension consisted of independent coil springs, offering a reasonable level of ride comfort. The rear suspension employed leaf springs, a traditional design well-suited for carrying heavy loads. Braking duties were handled by disc brakes at the front and drum brakes at the rear. Power steering was available, making maneuvering the large pickup truck easier, especially at low speeds. Tire sizes typically ranged from 195/75R15 to 205/75R15, providing a balance of ride comfort and load-carrying capacity.
Market Reception & Comparison
The 4.2-liter V8 automatic F-100 was generally well-received as a capable and reliable work truck. Critics noted its adequate power for most tasks, but also pointed out its lack of refinement compared to some of its competitors. Fuel economy was typical for the era, averaging around 12-15 mpg in mixed driving. Compared to the 5.8-liter V8, the 4.2-liter offered better fuel economy but significantly less power. The six-cylinder models were more affordable but lacked the power needed for heavier tasks. The 4.2L automatic struck a balance, appealing to buyers who needed a versatile truck without breaking the bank.
Legacy
The Ford F-Series F-100 VII with the 4.2-liter V8 and automatic transmission has become a popular choice among classic truck enthusiasts. The 300 inline-eight engine is known for its durability and relative simplicity, making it a relatively easy engine to maintain and repair. While not a high-performance variant, it represents a significant piece of Ford truck history. Today, well-maintained examples command reasonable prices in the used car market, appealing to those seeking a classic American pickup truck with a blend of practicality and nostalgia. The SelectShift automatic, while not a modern transmission, has proven to be surprisingly durable over the decades, contributing to the longevity of these vehicles.



