750HP Big Block Mercury Cougar: Conquering the Roads with All-Motor Muscle Power

In the world of muscle cars, there are some that stand out from the rest. One such car is the 750HP Big Block Mercury Cougar. With its powerful engine and aggressive design, this car is a true beast on the road. In this article, we will explore the fascinating features of this incredible machine and why it has become a sensation among car enthusiasts.

The Birth of the Beast

The 750HP Big Block Mercury Cougar is a stunning 1967 GT model that has undergone an incredible transformation. Owned by Doug, this car was given a new lease on life in 2018 after spending years sitting idle in his garage. Originally equipped with a 390 cubic inch Ford FE big block engine, Doug decided to push the boundaries and take it to the next level. With meticulous care and attention to detail, Doug upgraded the car’s powertrain by installing a 504 cubic inch Ford FE engine. But that’s not all – he didn’t stop there. To ensure optimal performance, he added Edelbrock Pro Port heads, dual 600 Holley carburetors, and a roller cam. The result? A mind-blowing 750 horsepower under the hood.

This transformation is a testament to the enduring legacy of American muscle cars. The 750HP Big Block Mercury Cougar showcases the power, performance, and engineering prowess that define this iconic era of automotive history. It’s a true embodiment of raw power and a testament to Doug’s passion for creating a driving experience like no other.

Unleashing the Power

The 750HP Big Block Mercury Cougar is all about power. With its massive horsepower, this car delivers an exhilarating driving experience like no other. It’s a true beast on the road, commanding attention with its raw power and impressive performance. Doug, the owner of this magnificent machine, has carefully tuned it to strike the perfect balance between reliability and enjoyment. While there’s even more power available, he has ensured that everyday driving is a pleasurable and hassle-free experience. This means you can unleash the car’s true potential without worrying about its dependability.

One of the highlights of the 750HP Big Block Mercury Cougar is its manual transmission, which puts you in complete control. The combination of the powerful engine and manual gearbox gives you an immersive driving experience. You can feel the surge of power with each press of the accelerator, accompanied by the captivating growl of the engine. It’s a symphony of power that will leave you craving for more.

In conclusion, the 750HP Big Block Mercury Cougar is a true powerhouse on wheels. It offers unmatched power and performance, thanks to its massive horsepower and meticulous tuning. Whether you’re cruising on the streets or hitting the open road, this beast will provide an unforgettable driving experience that will leave you with a smile on your face.

Braking Power

With great power comes the need for great braking power. To ensure the car can stop on a dime, Doug has equipped it with Wilwood six-piston calipers in the front and four-piston calipers in the back. This setup provides excellent braking performance and enhances the overall driving experience.

The wheel choice for the 750HP Big Block Mercury Cougar is an essential part of its overall appearance and performance. Doug opted for American Racing wheels, specifically the Via 480s. These wheels were custom painted to match the desired aesthetic, with black accents and chrome details. The wheels not only look stunning but also contribute to the car’s straight-line setup, which we’ll explore in the next section.

A Straight Line Setup

The 750HP Big Block Mercury Cougar was specifically engineered to excel in straight-line speed. Every aspect of its design, from the wheel setup to the choice of drag-style tires, was carefully chosen to reflect this intention. This car is not built for aggressive cornering or nimble maneuverability; its primary purpose is to go straight at blistering speeds.

The wheel setup on the 750HP Big Block Mercury Cougar is optimized for maximum traction and stability during high-speed acceleration. The choice of drag-style tires ensures that the power from the massive engine is effectively transferred to the road surface, allowing the driver to experience the full force of its acceleration without compromising control.

While some may prefer cars that are built for aggressive cornering and precise handling, the 750HP Big Block Mercury Cougar is designed to provide an unparalleled straight-line speed experience. It’s a car that will make your heart race as you feel the raw power pushing you back into the seat, leaving no doubt that this machine was built for pure speed.

In conclusion, the 750HP Big Block Mercury Cougar is a testament to the pursuit of speed and power. With its purposeful design and focus on straight-line performance, this car delivers an adrenaline-pumping experience like no other. It’s a machine that will leave you breathless as you unleash its full potential and feel the thrill of pure acceleration on the open road.

The Interior

The interior of the 750HP Big Block Mercury Cougar combines a mix of original features and tasteful upgrades. Doug, the owner, made a conscious effort to preserve as much of the car’s originality as possible while enhancing the overall driving experience. The result is a cabin that exudes a classic, vintage charm while offering modern comforts.

One notable feature is the incorporation of high-back bucket seats from a 1971 Cougar. These seats were carefully modified to fit seamlessly into the interior of the 750HP Big Block Mercury Cougar, providing a comfortable and supportive seating arrangement. The addition of the iconic Cougar emblem on the seats adds a touch of nostalgia and pays homage to the car’s heritage.

Doug also decided to keep the steering wheel and stereo system in their original forms. The steering wheel maintains its vintage appearance, adding to the authentic feel of the interior. The simple and straightforward stereo system complements the overall classic vibe, providing just enough entertainment without detracting from the pure driving experience.

While the focus was on preserving the originality of the interior, Doug did make some thoughtful upgrades to enhance functionality. For instance, the car was converted from an automatic to a manual transmission, adding a sporty element to the driving dynamics. Additionally, a few gauges were strategically added to keep an eye on crucial performance metrics, striking a balance between vintage aesthetics and modern practicality.

In summary, the interior of the 750HP Big Block Mercury Cougar perfectly blends vintage charm with modern upgrades. It retains the essence of its original design while offering improved comfort and functionality. The combination of carefully modified features and tasteful enhancements creates an interior that immerses you in the rich history and thrilling experience of this iconic muscle car.

The Roar of the Beast

When you fire up the 750HP Big Block Mercury Cougar, it announces its presence with a thunderous roar. The exhaust system plays a crucial role in producing this awe-inspiring sound. The car features a three-inch exhaust with electric cutouts that can be opened or closed. When opened, the car emits a brutal, aggressive growl that commands attention. However, when closed, it provides a slightly tamed sound, ideal for cruising on the streets.

The exhaust system of the 750HP Big Block Mercury Cougar is designed to maximize both performance and sound. The three-inch pipes connect to electric cutouts that allow the driver to control the level of noise. When the cutouts are open, the exhaust gases bypass the mufflers and flow freely, creating a thunderous sound. To balance it out, the system includes Flowmaster Super 44 mufflers, which help reduce noise when the cutouts are closed.


The 750HP Big Block Mercury Cougar is a true testament to the golden era of American muscle cars. With its aggressive design, massive horsepower, and thrilling performance, it captures the essence of raw power on the road. From the thunderous roar of its engine to the adrenaline-inducing acceleration, this car is a dream come true for any muscle car enthusiast.

So, if you’re looking for an all-motor, badass muscle car that can dominate the streets, the 750HP Big Block Mercury Cougar is the perfect choice. Get behind the wheel, buckle up, and experience the pure thrill of American muscle.

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