
The 1967 Ford Mustang Fastback is a classic American muscle car known for its iconic design and performance capabilities. However, a 501ci engine in a 1967 Mustang is not a factory option; it would likely be a custom modification or an engine swap. Let’s delve into the details of a 1967 Ford Mustang Fastback and discuss the engine modification:
1967 Ford Mustang Fastback:
1. Design and Styling:
- The 1967 Mustang Fastback is part of the first-generation Mustang lineup, known as the “1964½-1968” models.
- It featured the distinctive Mustang design with its long hood, short rear deck, and sporty, fastback roofline.

2. Body Styles:
- The Mustang was available in various body styles, including coupe, convertible, and fastback.
- The fastback body style was favored for its sleek and sporty appearance.

3. Engine Options:
- The 1967 Mustang came with a range of engine options, including inline-six and V8 engines.
- Popular V8 engine options included the 289 cubic inch (4.7-liter) V8 and the high-performance 390 cubic inch (6.4-liter) V8.
4. Transmission:
- Transmission options included a manual gearbox or an automatic transmission, depending on the buyer’s preference.

5. Interior:
- The interior of the 1967 Mustang was comfortable and sporty, with various upholstery and trim options.
- Features like bucket seats, a floor-mounted shifter, and optional air conditioning were available.

6. Features and Innovations:
- In 1967, Ford introduced the “Sprint” package, which included special appearance features and performance enhancements.
- Suspension and handling improvements were made, contributing to better ride quality and handling.
7. Custom Modifications – 501ci Engine:
- A 501 cubic inch (8.2-liter) engine is significantly larger than any factory engine offered for the 1967 Mustang.
- Installing such a large-displacement engine would require extensive modifications to the car’s engine bay, transmission, suspension, and more.
- It would typically involve a custom build, and the specific engine’s performance characteristics would depend on the components used, such as the type of cylinder heads, camshaft, and induction system.
- This type of engine swap is often done by enthusiasts looking to create a high-performance, custom muscle car.

8. Collectibility:
- Classic Ford Mustangs, including the 1967 Fastback, are highly collectible and sought after by enthusiasts.
- Custom-modified Mustangs like one with a 501ci engine may have niche appeal among collectors who appreciate unique and high-performance builds.
9. Legacy:
- The 1967 Ford Mustang is an integral part of American automotive history, contributing to the enduring popularity of the Mustang brand.
In summary, the 1967 Ford Mustang Fastback is a legendary American muscle car celebrated for its design and performance. The inclusion of a 501ci engine would represent a significant and custom modification, resulting in a high-performance and unique version of this classic vehicle.