Ride the Lightning: The Insane Power of the 1967 Plymouth Belvedere’s Custom V8 Engine – Amazing Vintage Cars


The Plymouth Belvedere is a classic car that was produced by the Plymouth division of the Chrysler Corporation from 1951 to 1970. The 1967 model, in particular, is considered a classic muscle car and is highly sought-after by collectors and enthusiasts. In this article, we will explore the design, features, and unique components of the 1967 Plymouth Belvedere, with a special focus on its custom V8 engine.

Design and Features

The exterior design of the 1967 Plymouth Belvedere is characterized by its sleek lines, chrome accents, and aggressive stance. Its long hood and short rear deck give it a classic muscle car silhouette, while its bold front grille and quad headlights add to its commanding presence on the road. Inside, the Plymouth Belvedere boasts a spacious and comfortable interior, with plenty of room for both driver and passengers. The front seats are wide and plush, while the rear seats offer ample legroom and headroom. The dashboard is simple and functional, with easy-to-read gauges and controls. Other notable features of the 1967 Plymouth Belvedere include power steering, power brakes, and a suspension system that provides a smooth and comfortable ride. The car also comes equipped with a heater and defroster, making it suitable for year-round driving.

Custom V8 Engine

One of the most significant features of the 1967 Plymouth Belvedere is its custom V8 engine. The car is powered by a 426 cubic inch V8 engine that has been extensively modified to enhance its performance and power output. The custom engine boasts a range of high-performance components, including forged pistons, a high-lift camshaft, and a dual-plane intake manifold. These modifications, along with a high-performance carburetor and a free-flowing exhaust system, allow the engine to produce an impressive 425 horsepower and 490 lb-ft of torque. The advantages of the custom engine over the original are numerous. It provides greater power and acceleration, improved fuel efficiency, and a more responsive driving experience. It also gives the car a distinctive and aggressive exhaust note that is sure to turn heads wherever it goes.

Automatic Transmission and Rear Gear

The 1967 Plymouth Belvedere also boasts an automatic transmission that provides smooth shifting and enhances the driving experience. The transmission is a TorqueFlite 727 three-speed automatic with a 2,800 RPM stall converter. This transmission is renowned for its reliability and durability, making it an ideal choice for muscle cars like the Belvedere. Another notable feature of the Belvedere’s drivetrain is the rear gear ratio. The car comes equipped with a 8 3/4″ Sure Grip rear end with a 4.56 gear ratio. This helps the car achieve quick acceleration and high top speeds, making it perfect for drag racing or cruising down the highway.

Electric Exhaust Cut-Outs

One of the most unique features of this 1967 Plymouth Belvedere is the electric exhaust cut-outs. These cut-outs are essentially valves that allow the exhaust gases to bypass the mufflers and exit straight out of the pipes, giving the car an aggressive exhaust note. Not only does this modification enhance the car’s sound, but it also improves engine performance by reducing back pressure in the exhaust system. The cut-outs are operated by a switch located on the dashboard, giving the driver control over the car’s exhaust note.

Two Sets of Keys and Clean Title

When purchasing a classic car, it’s important to consider factors beyond just its appearance and performance. The 1967 Plymouth Belvedere comes with two sets of keys, which is important for peace of mind and convenience. Additionally, the car has a clean title, which means there are no liens or other legal issues associated with it. Having a clean title is crucial when purchasing a classic car, as it ensures that the buyer has legal ownership of the vehicle and won’t encounter any problems down the line.

Condition and Maintenance

The condition of the car’s body and engine is crucial when considering purchasing a classic car. Fortunately, this 1967 Plymouth Belvedere is in excellent condition, with a well-maintained body and engine. Regular maintenance is key to keeping a classic car in top shape, and the Plymouth Belvedere is no exception. The car should be serviced regularly, with oil changes, tune-ups, and other preventative maintenance performed at regular intervals. This will help to ensure that the car remains reliable and performs at its best.

Ownership and Pricing

If you’re interested in owning a classic muscle car like the 1967 Plymouth Belvedere, there are a few things to keep in mind. First, it’s important to find a reputable seller who has experience with classic cars and can provide a detailed history of the vehicle. Additionally, the price of the car can vary widely depending on a number of factors, including the car’s condition, rarity, and features. It’s important to do your research and find a car that fits your budget and meets your needs.

Driving Experience

Driving the 1967 Plymouth Belvedere is an unforgettable experience. The car’s custom V8 engine provides incredible power and acceleration, while the automatic transmission and rear gear ratio make for smooth shifting and high speeds. The electric exhaust cut-outs give the car a unique sound that turns heads wherever you go. Whether you’re cruising down the highway or tearing up the drag strip, the Plymouth Belvedere delivers a driving experience like no other.

Regular Oil Changes: Keeping Your Engine Lubricated

One of the most critical maintenance tasks for your Plymouth Belvedere is regular oil changes. Engine oil plays a vital role in lubricating the engine’s moving parts, preventing friction and overheating. To maintain optimal performance, it is recommended to change the oil every 3,000 miles or as per the manufacturer’s guidelines. Regular oil changes offer several benefits. They help remove dirt, debris, and contaminants from the engine, ensuring a cleaner and healthier internal environment. Fresh oil also provides better lubrication, reducing wear and tear on engine components and enhancing overall performance. By staying on top of oil changes, you can extend the life of your engine and avoid costly repairs.

Brake Maintenance: Ensuring Safe Stops

The braking system of your Plymouth Belvedere is of utmost importance when it comes to safety. To ensure your car can stop reliably, regular brake maintenance is essential. The brake pads, rotors, and calipers should be inspected periodically and replaced when necessary. Over time, brake pads wear down and lose their effectiveness, compromising your ability to stop quickly and safely. By inspecting them regularly, you can catch any signs of wear and address the issue promptly. Additionally, keeping an eye on the rotors and calipers is crucial to maintain optimal braking performance. Timely replacements will prevent further damage and ensure your Plymouth Belvedere remains safe on the road.

Cooling System Maintenance: Preventing Overheating

The cooling system is a critical component of your Plymouth Belvedere’s engine. It helps regulate the temperature and prevents overheating, which can cause severe damage. Regular maintenance of the radiator, water pump, and thermostat is necessary to keep the cooling system functioning optimally. Periodically check the radiator for any leaks or blockages, ensuring it remains clean and free from debris. The water pump is responsible for circulating coolant through the engine, and it should be inspected for any signs of wear or malfunction. Additionally, keeping an eye on the thermostat helps ensure it opens and closes properly, maintaining the engine’s optimal operating temperature. By paying attention to the cooling system, you can avoid overheating issues and potential engine damage.

Suspension and Steering Maintenance: A Smooth and Responsive Ride

To enjoy a comfortable and enjoyable driving experience in your Plymouth Belvedere, it’s crucial to maintain the suspension and steering components. These elements not only provide a smooth ride but also contribute to responsive handling. Regularly inspect the suspension system for any signs of damage, such as worn-out shocks or springs. Addressing these issues promptly will help preserve the overall ride quality and stability of your classic car. Similarly, keeping the steering components in check ensures precise control and maneuverability. By maintaining a well-functioning suspension and steering system, you can enhance your driving experience and keep your Plymouth Belvedere performing at its best.

Restoring a Plymouth Belvedere

If you’re interested in restoring a Plymouth Belvedere, there are a few things to keep in mind. First, it’s important to find the right mechanic for the job. Look for a mechanic with experience working on classic cars, and make sure they have a good reputation in the community. The cost of restoring a Plymouth Belvedere can vary widely depending on the extent of the work that needs to be done. A full restoration can cost anywhere from $20,000 to $100,000 or more, depending on the condition of the car and the level of customization you want. When restoring a Plymouth Belvedere, it’s important to take your time and be patient. Don’t rush the process, as this can lead to mistakes and a subpar finished product. Instead, take the time to do things right and enjoy the process of bringing a classic car back to life.

Classic Muscle Cars and Their Legacy

The Plymouth Belvedere is just one of many classic muscle cars that have left an indelible mark on automotive history. Muscle cars were popular in the United States in the 1960s and 1970s, and were known for their powerful engines, aggressive styling, and high-performance capabilities. Many classic muscle cars, including the Plymouth Belvedere, are now highly sought after by collectors and automotive enthusiasts. They represent a time when cars were built for speed and performance, and their legacy lives on to this day.


The 1967 Plymouth Belvedere is a classic muscle car that continues to captivate automotive enthusiasts and collectors alike. Its powerful custom V8 engine, sleek design, and impressive performance make it a standout among other classic cars of its era. While maintaining and restoring a Plymouth Belvedere can be a labor of love, the end result is a piece of automotive history that is sure to turn heads wherever you go. If you’re in the market for a classic muscle car, the 1967 Plymouth Belvedere is certainly worth considering. So why not take the plunge and experience the thrill of owning a true American classic?

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