1964 Mercury Comet A/FX 427 – An Engineering Marvel from the 60s

If you are a classic muscle car enthusiast, then the 1964 Mercury Comet A/FX 427 is sure to leave you in awe. This vehicle was redesigned for performance by Galaxie and AFX styling featuring heavily modified front ends with wheel flares, air ducts, recessed grille panels, hood locks and floor shifters. The result was an impressive ride that boasted superior power and road handling ability often compared to the most iconic race cars from that era. It also became one of the few mass-producedAmerican cars during this time to be offered with factory race features like dual four barrel carburetors, double traction rear axles, oil coolers as well as full roll cage functionality. Whether you’re looking for a valuable collector’s item or just seeking a thrilling nostalgic experience behind the wheel of an amazing automobile—the Mercury Comet A/FX 427 has plenty to offer!

Overview of the 1964 Mercury Comet A/FX 427 and Its Place in Automotive History

The 1964 Mercury Comet A/FX 427 holds a significant place in automotive history as an iconic drag racing machine. It represented a groundbreaking era in the evolution of factory-built drag cars and played a crucial role in the development of drag racing as a sport. Here is an overview of the 1964 Mercury Comet A/FX 427 and its place in automotive history:

– Purpose-built Drag Racer: The A/FX (Experimental Factory) 427 was a purpose-built drag racing variant of the Mercury Comet. It was constructed specifically to compete in the Super Stock class of the National Hot Rod Association (NHRA) drag racing events.

– Lightweight Construction: To optimize performance, the Comet A/FX 427 was built with a lightweight body and chassis. It featured lightweight fiberglass body panels, aluminum components, and minimalistic interiors, resulting in a significant reduction in weight compared to the standard Comet models.

– High-Power 427 Engine: The A/FX 427 was powered by a potent 7.0-liter (427 cubic-inch) V8 engine, known as the “Cammer” engine. This engine featured overhead camshafts, hemispherical combustion chambers, and other high-performance components, resulting in an output of approximately 600 horsepower.

– Factory Support and Development: The Comet A/FX 427 was backed by Ford’s factory support and developed in collaboration with legendary racers such as Bill Stroppe and Gas Ronda. This close collaboration between Ford and racing teams showcased the growing influence of automakers in drag racing.

– Dominance in Drag Racing: The 1964 Mercury Comet A/FX 427 made a significant impact on the drag racing scene. It was highly successful on the track, setting records and dominating the Super Stock class. Its lightweight construction and powerful engine made it a formidable competitor against other drag cars of the time.

– Influence on Factory-Built Drag Cars: The Comet A/FX 427 played a pivotal role in the evolution of factory-built drag cars. It was one of the early examples of automakers developing purpose-built drag racing vehicles straight from the factory. This trend continued and evolved over the years, giving rise to legendary muscle cars and drag racing legends.

– Legacy and Collectibility: Due to its limited production and historical significance, the 1964 Mercury Comet A/FX 427 has become highly collectible among car enthusiasts and collectors. Its rarity, association with drag racing history, and unique characteristics make it a sought-after piece of automotive heritage.

The 1964 Mercury Comet A/FX 427 holds a special place in automotive history as a factory-built drag racer that pushed the boundaries of performance and paved the way for future developments in the world of drag racing. Its lightweight design, powerful engine, and racing success make it a true icon of its era and an important part of automotive racing heritage.

Features and Performance Capabilities of the 1964 Mercury Comet A/FX 427

The 1964 Mercury Comet A/FX 427 was a purpose-built drag racing machine that boasted several notable features and impressive performance capabilities. Here’s a closer look at its key features and performance:

– Lightweight Construction: The Comet A/FX 427 was built with a focus on reducing weight for improved performance on the drag strip. It featured lightweight fiberglass body panels, including the front fenders, hood, doors, and trunk lid. Additional weight-saving measures included the use of aluminum components and a stripped-down interior.

– Aerodynamic Enhancements: To optimize aerodynamics and reduce drag, the Comet A/FX 427 incorporated design modifications such as a fiberglass teardrop hood scoop, a reshaped grille opening, and a sloping rear window. These enhancements helped improve the car’s overall performance and stability at high speeds.

– “Cammer” 427 V8 Engine: Powering the Comet A/FX 427 was a high-performance 7.0-liter (427 cubic-inch) V8 engine. This engine, often referred to as the “Cammer” engine, featured dual overhead camshafts (DOHC), hemispherical combustion chambers, and high-flowing intake and exhaust ports. It produced an estimated 600 horsepower, delivering exceptional acceleration and power on the drag strip.

– Manual Transmission: The Comet A/FX 427 was typically equipped with a four-speed manual transmission. This allowed drivers to harness the engine’s power and take full control over gear selection for optimal launches and shifts during drag races.

– Drag Racing Suspension: To maximize traction and handle the demands of drag racing, the Comet A/FX 427 featured a modified suspension setup. It included heavy-duty front and rear leaf springs, adjustable rear traction bars, and upgraded shock absorbers. These components helped provide improved weight transfer and stability during hard launches.

– Limited-Slip Differential: The rear axle of the Comet A/FX 427 was equipped with a limited-slip differential. This feature helped optimize power delivery to both rear wheels, enhancing traction and reducing wheel spin for better acceleration off the line.

– Drag Strip Modifications: In addition to the factory features, individual racers and teams made further modifications to the Comet A/FX 427 for increased performance. These modifications often included further weight reduction, specialized fuel systems, altered gear ratios, and other tweaks tailored to the specific demands of drag racing.

The 1964 Mercury Comet A/FX 427 was a purpose-built drag racing car that combined lightweight construction, aerodynamic design, and a powerful “Cammer” 427 engine to deliver impressive performance on the drag strip. Its specialized features and capabilities helped establish it as a dominant force in the Super Stock class, leaving a lasting impact on the world of drag racing.

Benefits of owning A 1964 Mercury Comet A/FX 427

Owning a 1964 Mercury Comet A/FX 427 can bring numerous benefits and enjoyable experiences for car enthusiasts. Here are some advantages of owning this iconic drag racing machine:

– Historical Significance: The 1964 Mercury Comet A/FX 427 holds significant historical importance as a pioneering factory-built drag racing car. Owning one allows you to be part of the legacy and heritage of drag racing, showcasing the evolution of the sport and the influence of factory-backed racing programs.

– Rare and Collectible: The Comet A/FX 427 is a highly sought-after and collectible vehicle due to its limited production numbers and historical significance. Owning one allows you to possess a piece of automotive history that is sure to turn heads and attract attention at car shows, events, and among fellow car enthusiasts.

– Performance and Power: The A/FX 427 is built for speed and performance. With its lightweight construction, powerful “Cammer” 427 engine, and drag racing-specific features, it offers exhilarating acceleration and impressive power on the drag strip. Owning one allows you to experience the sheer thrill of commanding a high-performance machine from a bygone era.

– Racing Heritage: The Comet A/FX 427 has a rich racing heritage, with notable successes on the drag strip. Owning one allows you to connect with the achievements of the past and appreciate the engineering prowess and performance capabilities that made it a dominant force in its time.

– Unique Design and Features: The Comet A/FX 427 features distinctive design elements and modifications that set it apart from the standard Comet models. Its lightweight body, aerodynamic enhancements, and drag racing-specific components make it visually striking and showcase its purpose-built nature.

– Community and Camaraderie: Owning a rare and significant vehicle like the A/FX 427 opens doors to connect with a passionate community of car enthusiasts, collectors, and fellow owners of classic and vintage vehicles. Sharing experiences, knowledge, and camaraderie with like-minded individuals can enhance the ownership experience and provide opportunities for engaging in car shows, events, and gatherings.

– Potential Investment Value: Due to its rarity, historical significance, and desirability among collectors, the Comet A/FX 427 has the potential to appreciate in value over time. While investment value can fluctuate, owning a well-maintained and authentic A/FX 427 can be a rewarding financial asset.

Owning a 1964 Mercury Comet A/FX 427 offers the opportunity to immerse yourself in automotive history, experience thrilling performance, and become part of a passionate community. 

Maintenance Strategies For Preserving The Value Of A 1964 Mercury Comet A/FX 427

Preserving the value of a 1964 Mercury Comet A/FX 427 requires careful maintenance and attention to detail. Here are some strategies to consider for maintaining and preserving the value of your A/FX 427:

– Regular Maintenance: Follow a routine maintenance schedule that includes regular oil changes, fluid checks, and filter replacements. Adhere to manufacturer guidelines and consult with experienced mechanics familiar with classic cars to ensure proper maintenance procedures.

– Authenticity: Preserve the authenticity of your A/FX 427 by retaining its original components, parts, and features whenever possible. Avoid modifications or alterations that deviate from the factory specifications, as these can affect its value and historical accuracy.

– Proper Storage: When not in use, store your A/FX 427 in a suitable environment to protect it from the elements. Ideally, store it in a climate-controlled garage or storage facility that minimizes exposure to extreme temperatures, humidity, sunlight, and dust.

– Regular Cleaning: Keep your A/FX 427 clean and free from dirt, dust, and debris. Regularly wash and wax the exterior to preserve the paint finish and protect it from oxidation. Clean the interior thoroughly, ensuring proper care for any vintage or original upholstery.

– Rust Prevention: Rust is the enemy of any classic car. Take preventative measures to protect your A/FX 427 from rust by applying rust-proofing treatments to vulnerable areas, inspecting for signs of rust regularly, and promptly addressing any corrosion that may occur.

– Proper Documentation: Maintain comprehensive documentation of the vehicle’s history, including service records, maintenance receipts, and any historical documentation related to the A/FX 427’s racing pedigree or provenance. This documentation adds value and enhances the car’s historical significance.

– Specialized Care: Seek out mechanics and technicians with expertise in classic and vintage vehicles, particularly those familiar with the A/FX 427 and its specific requirements. They will have the knowledge and experience necessary to handle any repairs or maintenance tasks in a way that preserves the car’s authenticity and value.

– Limited Use: While it’s tempting to drive and enjoy your A/FX 427 frequently, consider limiting its use to preserve its condition and value. Reserve it for special occasions, shows, and events, and avoid excessive mileage or harsh driving conditions that can accelerate wear and tear.

– Regular Inspections: Conduct regular inspections of the A/FX 427 to identify any signs of wear, aging, or potential issues. Addressing these concerns promptly can help prevent further damage and maintain the car’s overall condition.

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FAQs About The 1964 Mercury Comet A/FX 427

How many 1964 Mercury Comet A/FX 427 cars were produced?

The exact production numbers of the 1964 Mercury Comet A/FX 427 are not readily available. However, it is believed that only a small number were produced, likely in the range of 25 to 50 units, making it a rare and highly sought-after vehicle.

What does the “A/FX” designation stand for?

The “A/FX” designation in the name of the 1964 Mercury Comet A/FX 427 refers to “Experimental Factory Experimental.” It indicates that this vehicle was built as an experimental drag racing car by the factory, showcasing advanced technology and performance components.

How much horsepower does the A/FX 427 engine produce?

The “Cammer” 427 V8 engine found in the A/FX 427 was estimated to produce around 600 horsepower. This powerful engine was specifically designed for drag racing and delivered exceptional performance on the quarter-mile strip.

What type of fuel does the A/FX 427 engine use?

The A/FX 427 engine typically used a high-octane racing fuel. Due to its high compression ratio and specialized components, it required a specific type of fuel to achieve optimal performance.

Did the A/FX 427 have any specific drag racing successes?

Yes, the A/FX 427 had notable successes on the drag strip. It competed in various National Hot Rod Association (NHRA) events and achieved significant victories, setting records and solidifying its reputation as a dominant force in the Super Stock class.

How much does a 1964 Mercury Comet A/FX 427 weigh?

The exact weight of the A/FX 427 can vary due to modifications and customization carried out by individual racers. However, it was generally lighter than the standard production Comet models due to its lightweight construction and performance-focused modifications.

Can the A/FX 427 be driven on public roads?

While the A/FX 427 was primarily designed for drag racing and was not intended for regular street use, it is possible to make certain modifications to make it roadworthy. However, it is important to comply with local regulations and ensure that the necessary safety features and equipment are in place.

Are parts readily available for the 1964 Mercury Comet A/FX 427?

As a rare and specialized vehicle, finding original parts for the A/FX 427 can be challenging. However, there are aftermarket suppliers and classic car specialists who may offer reproduction or refurbished components. Networking with other owners and enthusiasts can also be helpful in sourcing parts and information.

>>> See more: 1964 Mercury A/FX 427 Comet Muscle Car Of The Week Video Episode #95


This 1964 Mercury Comet A/FX 427 is truly a remarkable car. Its history on and off the track has earned it recognition among collectors, enthusiasts, and historians alike. Though its production life was short-lived due to its high speed capabilities, this iconic muscle car will forever remain part of automotive culture for years to come. Anybody looking to acquire one of these beauties needs to look no further than their local car show or online marketplace; they won’t regret the purchase! For those curious about what a 1964 Mercury Comet A/FX 427 has to offer, we highly recommend checking out examples both in person and online. By taking a closer look at the specs and features offered by this car you can make a more informed decision before committing to your dream ride. So what are you waiting for? Put your pedal to the metal and get behind the wheel of a 1964 Mercury Comet A/FX 427 today!

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