UNKL: A Closer Look at Ringbrothers’ 1969 Mustang Mach 1


The Concept Behind UNKL
Ringbrothers’ UNKL is a prime example of how modern performance engineering can be seamlessly integrated into a classic muscle car. Designed specifically for track days, UNKL is not just a showpiece but a functional race car capable of both high-speed track runs and comfortable drives to and from the circuit. The name “UNKL” is a tribute to the owner’s uncle, who introduced him to the car hobby.

The 1969 Mustang Mach 1: A Perfect Foundation
The choice of a 1969 Mustang Mach 1 as the foundation for UNKL was no accident. Known for its strong track performance and robust design, the Mustang of this era is an ideal candidate for serious modifications. This car already had a reputation for being a great track toy, making it the perfect canvas for Ringbrothers’ ambitious project.

UNKL: A Closer Look at Ringbrothers’ 1969 Mustang Mach 1

Unique Racing Heritage
One of the standout features of UNKL is its homage to racing history. The car’s headliner features an outline of Elkhart Lake, also known as Road America, highlighting the personal connection the owner and Ringbrothers have with this iconic track. The car’s livery includes logos from sponsors who contributed to the build, such as Michelin, HRE Wheels, BASF, Motul, and Flowmaster.

Power and Performance
At the heart of UNKL is a John Kaase 520ci Boss engine, delivering an impressive 700 horsepower. This powerful engine is paired with a reworked Bowler 6-speed Tremec transmission, ensuring smooth and responsive gear shifts. The combination of these components makes UNKL a formidable presence on the track.

Key Specifications:
Engine: John Kaase 520ci Boss, 700 HP
Transmission: Reworked Bowler 6-speed Tremec
Tires: Michelin Pilot Sport 4S
Wheels: Custom HRE
Paint: BASF
Fluids: Motul engine and gear oil
Exhaust: Flowmaster


Design and Aesthetics
The design of UNKL is a blend of classic and contemporary elements. The car features a headliner with the outline of Road America, symbolizing its racing pedigree. The exterior sports a striking livery with sponsor logos, while the interior is equipped with modern amenities that enhance both comfort and performance.

UNKL is more than just a car; it’s a tribute to the golden age of muscle cars and a showcase of modern performance engineering. By combining a classic 1969 Mustang Mach 1 with state-of-the-art components, Ringbrothers have created a vehicle that excels on the track while honoring its storied past. UNKL stands as a testament to the enduring appeal of muscle cars and the endless possibilities of automotive customization.

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