’73 Pontiac Firebird Trans Am Restomod: LS Power Perfection

73 Pontiac Firebird Trans Am Restomod: LS Power Perfection

Are you a fan of the classic muscle cars of the 70s? If so, then you’ll definitely appreciate the LS powered ’73 Pontiac Firebird Trans Am. This beautiful machine is the perfect example of what a restomod should be.

The History of the ’73 Pontiac Firebird Trans Am

Before we dive into the details of this particular model, let’s first take a look at the history of the ’73 Pontiac Firebird Trans Am. The Firebird was introduced in 1967 as a direct competitor to the Ford Mustang, and it quickly became a popular choice among muscle car enthusiasts. The Trans Am was a special edition of the Firebird that was first introduced in 1969. It featured a distinctive design that set it apart from the standard Firebird and became an instant classic.

The Design of the ’73 Pontiac Firebird Trans Am

The ’73 Pontiac Firebird Trans Am was a continuation of the second generation Firebird that was introduced in 1970. It featured a sleek and sporty design that was perfect for the era. The Trans Am package included a unique front grille, fender vents, and a rear spoiler. It also came with a hood-mounted tachometer and a shaker hood scoop that gave it an aggressive look.

The Engine of the ’73 Pontiac Firebird Trans Am

While the ’73 Pontiac Firebird Trans Am was an impressive machine in its own right, it was the LS engine swap that truly took it to the next level. The original engine was a 455 cubic inch V8 that produced around 300 horsepower. While this was respectable for the time, it simply doesn’t compare to the power and efficiency of modern engines.

The LS engine swap is a popular modification among muscle car enthusiasts, and for good reason. The LS engine is a modern, fuel-injected powerplant that offers superior performance and reliability compared to the original engine. In the case of this particular Firebird, it has been fitted with an LS6 engine that produces around 425 horsepower. This is a significant improvement over the original engine, and it gives the car a much more exciting driving experience.

The Transmission and Suspension

To harness the power of the LS engine, this Firebird is equipped with a Tremec T-56 six-speed manual transmission. Renowned for its robustness and reliability, the Tremec T-56 is a perfect match for this high-performance machine. Its precise and smooth gear changes, coupled with its exceptional strength, ensure a dynamic and engaging driving experience. Whether unleashing the car’s power on the open road or navigating tight corners, the Tremec T-56 transmission offers the driver full control and an exhilarating connection with the car.

The suspension of the Firebird has also undergone significant upgrades, featuring a Ridetech system that incorporates top-quality components from renowned brands such as Billet Specialties and Baer Brakes. This comprehensive suspension upgrade enhances the car’s handling capabilities, allowing it to tackle corners with confidence and precision. With improved stability, responsive steering, and reduced body roll, the Firebird delivers an exceptional driving experience. The inclusion of Baer Brakes ensures reliable and powerful stopping power, providing the driver with the confidence to push the car to its limits while maintaining control and safety.

The combination of the Tremec T-56 transmission and the Ridetech suspension system elevates the performance of this Firebird to new heights. The seamless integration of these high-quality components allows for precise gear shifts, exceptional handling, and reliable braking, transforming the car into a true driver’s machine. Whether carving through winding roads or enjoying the thrill of acceleration, this Firebird offers an exhilarating driving experience that is sure to leave a lasting impression on both the driver and onlookers alike.

The Interior

The interior of this Firebird has been given a modern upgrade as well. While it still retains the classic look and feel of the original, it has been fitted with a number of modern amenities to make it more comfortable and convenient to drive. The seats have been reupholstered with high-quality materials that match the exterior color scheme, and the gauges have been replaced with a custom set from Speedhut that features stripes that match the car. The car also features Apple CarPlay and Bluetooth connectivity, as well as a Vintage Air system that provides ice-cold air conditioning.


The LS powered ’73 Pontiac Firebird Trans Am is the perfect restomod. It combines the classic styling of the original with modern technology and performance to create a machine that is truly impressive. The LS engine swap, transmission upgrade, and suspension improvements all work together to give this car an exhilarating driving experience that is sure to satisfy any muscle car enthusiast. If you’re looking for a classic car that can keep up

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