Alfa Romeo 6C 1750 Gran Sport Testa Fissa

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Description

The Alfa Romeo 6C 1750 Gran Sport Testa Fissa is an exceptional and rare variant within the revered 6C 1750 series, embodying the pinnacle of Alfa Romeo’s pre-war engineering and design excellence. The “Gran Sport” designation signifies its focus on high performance and competition, while “Testa Fissa,” meaning “fixed head,” highlights a distinctive engine feature where the cylinder head is cast integrally with the block, enhancing durability and performance under racing conditions.

Introduced in the early 1930s, the 6C 1750 Gran Sport Testa Fissa was built with a keen emphasis on racing, making it a formidable contender on the track. The car was powered by a 1.75-liter inline-six engine equipped with a supercharger, boosting its output to approximately 102 horsepower. This powertrain enabled the Gran Sport Testa Fissa to achieve top speeds exceeding 100 mph, an impressive feat for the time, ensuring its competitiveness in high-profile motorsport events.

The car’s fixed-head engine design was a notable innovation aimed at improving engine reliability and performance. By eliminating the head gasket, the design reduced the risk of failure under extreme conditions and improved the overall thermal efficiency of the engine, making it ideal for endurance racing.

The chassis of the 6C 1750 Gran Sport Testa Fissa was a lightweight and rigid steel ladder frame, optimized for agility and precise handling. The suspension system featured semi-elliptical leaf springs and hydraulic shock absorbers, delivering a balanced ride that combined comfort with the responsive handling necessary for racing success.

Aesthetically, the 6C 1750 Gran Sport Testa Fissa was a testament to the craftsmanship of Italian coachbuilders. Many of these models were bodied by Zagato, whose designs were celebrated for their aerodynamic efficiency and sleek, lightweight construction. The streamlined and elegant bodywork not only enhanced the car’s performance but also contributed to its timeless beauty, with features such as long, flowing fenders, a low-profile hood, and a distinctive grille.

The interior of the Gran Sport Testa Fissa was focused on functionality, with a minimalistic and purposeful design. The cockpit featured essential instruments and controls, allowing the driver to concentrate on performance. The use of high-quality materials such as leather and metal added a touch of luxury, even in this race-focused model.

The 6C 1750 Gran Sport Testa Fissa earned its place in history with notable successes in racing, including victories in prestigious events like the Mille Miglia and the Targa Florio. These triumphs solidified Alfa Romeo’s reputation as a manufacturer of high-performance, reliable, and beautifully crafted sports cars.

Today, the Alfa Romeo 6C 1750 Gran Sport Testa Fissa is considered one of the most coveted classic cars, prized by collectors for its rarity, racing pedigree, and exquisite design. Its legacy as a symbol of pre-war automotive excellence continues to be celebrated by enthusiasts around the world.

Additional information

Manufacturer

Alfa Romeo

Country

Italy

Production Started

1930

Production Stopped

1931

Vehicle Type

Bodystyle

Roadster

Number of Doors

0

Number of Seats

2

Top Speed

106 mph (170 kph)

0-60 mph (0-100 kph)

Power

75 / 102 / 101 @ 5000 rpm

Torque

Engine Manufacturer

Alfa Romeo

Engine

Inline 6

Engine Location

Front

Engine Displacement

1752 cc (106.4 cu in)

Valvetrain

DOHC

Valves per Cylinder

2

Bore / Stroke

65 x 88 mm (2.559 x 3.465 in)

Compression Ratio

5:1

Cooling System

Water

Charging System

Fuel Type

Petrol

Fuel System

Carburator

Aspiration

Supercharged, Roots

Fuel Capacity

Drive

Rear

Transmission

M4

Steering

Front Brakes

Rear Brakes

Front Suspension

Rear Suspension

Tyre Dimensions

Chassis

Weight

840 kg (1852 lb)

Length

Width

Height

Wheelbase

2740 mm (107.9 in)