The Ford 351 Windsor V8 engine is one of the most iconic powerplants in Ford’s history, known for its versatility, reliability, and performance. Part of Ford’s Windsor engine family, the 351 Windsor (or 351W) was introduced in the late 1960s and quickly became a favorite among car enthusiasts and hot-rodders for its power potential and robust design.
History and Development
The 351 Windsor engine was introduced by Ford in 1969 as a larger version of the 302 cubic inch (5.0L) Windsor V8.
It was designed to offer more power and torque while retaining the compact dimensions of the Windsor engine family, making it suitable for a wide range of vehicles.
The engine was produced in Ford’s Windsor, Ontario, Canada plant, which gave it its name.
The 351 Windsor was used in a variety of Ford vehicles, from muscle cars to trucks, and was known for its adaptability and ease of modification.
It remained in production until the mid-1990s, with various updates and changes made over the years to improve performance and meet emissions standards.
Ford 351 Windsor Design and Features
The 351 Windsor V8 engine is characterized by its simple yet effective design, making it a popular choice for both stock and modified applications. Key features include:
- Configuration: V8
- Displacement: 5.8 liters (351 cubic inches)
- Block Material: Cast iron
- Cylinder Heads: Cast iron (with some aftermarket options in aluminum)
- Valvetrain: Overhead valve (OHV) with two valves per cylinder
- Crankshaft: Cast iron
- Fuel System: Initially carbureted, with later models featuring fuel injection
- Cooling System: Water-cooled
Ford 351 Windsor Specifications
Here are the general specifications for the Ford 351 Windsor V8 engine:
| Specification | 351 Windsor V8 |
|---|---|
| Manufacturer | Ford Motor Company |
| Model | 351 Windsor |
| Configuration | V8 |
| Displacement | 5.8L (351 cu in) |
| Bore x Stroke | 4.00 in x 3.50 in |
| Compression Ratio | 8.0:1 to 9.5:1 (varies by year) |
| Power Output | 250 to 290 hp (varies by year) |
| Torque | 355 to 380 lb-ft (varies by year) |
| Fuel Type | Gasoline |
| Fuel System | Carbureted (early models) or Electronic Fuel Injection (EFI in later models) |
| Weight | Approximately 500 to 550 lbs |
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Ford 351 Windsor Performance and Variants
The 351 Windsor was produced in several variants over the years, with differences in power output and design depending on the intended application:
- Early Carbureted Models (1969-1983):
- Power Output: 250 to 290 hp
- Torque: 355 to 380 lb-ft
- Notable Features: Used in muscle cars like the Ford Mustang and Ford Torino, as well as in trucks like the Ford F-150. These engines were known for their strong torque and straightforward design.
- EFI Models (1984-1996):
- Power Output: 210 to 240 hp
- Torque: 315 to 325 lb-ft
- Notable Features: Later models were equipped with electronic fuel injection (EFI) to meet emissions standards and improve drivability. These engines were commonly used in Ford trucks and SUVs, including the Bronco and F-150.
Ford Windsor Applications
The Ford 351 Windsor V8 engine was used in a wide variety of vehicles, including:
- Ford Mustang: The 351 Windsor was a popular engine option in the Mustang during the muscle car era, offering strong performance and a wide range of aftermarket support.
- Ford Torino: A mid-size car that benefitted from the 351 Windsor’s power, making it a capable performer on the street and track.
- Ford F-150: The 351W was used extensively in Ford’s full-size pickup trucks, where its torque was well-suited for towing and hauling.
- Ford Bronco: The 351 Windsor powered many versions of the Ford Bronco, providing the off-road capability and durability needed for rugged terrain.
- Mercury Cougar: Like the Mustang, the Mercury Cougar also featured the 351 Windsor in various models, offering a blend of luxury and performance.
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Ford 351 Windsor Maintenance
Maintaining a 351 Windsor engine is relatively straightforward, thanks to its simple design and the availability of parts. Key maintenance tasks include:
- Oil Changes: Regular oil changes are crucial for engine longevity.
- Spark Plug Replacement: Ensuring efficient combustion and preventing misfires.
- Cooling System Maintenance: Regular checks on the radiator, water pump, and hoses to prevent overheating.
- Carburetor or EFI Maintenance: Depending on the model, maintaining the carburetor or EFI system is essential for optimal performance.
For enthusiasts looking to boost performance, the 351 Windsor is one of the most modifiable engines available. Some popular upgrades include:
- Performance Camshafts: Improve power and torque across the RPM range.
- Aluminum Cylinder Heads: Reduce weight and improve airflow for better performance.
- High-Flow Intake Manifolds: Increase the amount of air the engine can breathe, leading to more power.
- Headers and Exhaust Systems: Enhance exhaust flow, improving horsepower and torque.
- Supercharging or Turbocharging: For significant power gains, forced induction is a popular choice among enthusiasts.
Ford 351 Windsor Price
The price of a Ford 351 Windsor V8 engine can vary significantly based on condition, whether it’s a complete engine or just the block, and whether it’s stock or modified. As of 2024, prices generally range from:
- Rebuilt or Remanufactured 351 Windsor: $3,000 to $6,000
- Used 351 Windsor: $1,500 to $4,000 (depending on condition)
- Performance-Built 351 Windsor: $7,000 to $10,000 or more, depending on the level of modification and the parts used
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