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Story
What began as a joint venture between Donald Healey and the British Motor Corporation (BMC) to bridge the market gap between the affordable MG and the high-end Jaguar was destined to become one of Englands truly iconic sport cars!
The car was to be named "100" because it was the first
Healey capable of breaking the 100 mph barrier and in 1953 the 100-4 set multiple land speed and endurance records at the Bonneville Salt Flats, cementing its performance reputation in the American market.
The BN1 models were produced between May 1953 and August 1955 before being replaced by the BN2.
Technical Specifications
Engine: 2,660 cc (2.7L) Inline 4-cylinder OHV engine, adapted from the Austin A90.
Pertormance:
Horsepower: 90 bhp @4,000 rpm.
Torque: 144 ft-lbs @ 2,000 rpm.
Top Speed: 106 mph (standard); up to 111 mph with the windshield folded down for aerodynamics.
Acceleration: 060 mph in approximately 11.2 seconds.
Transmission: A unique 3-speed manual with overdrive on the top two gears. (Note: Technically a modified 4-speed where 1st was often blocked out due to the engine?s high torque).
Braking & Suspension: Girling 11-inch drum brakes all round; independent front suspension with coil springs and a rigid rear axle with semi-elliptic leaf springs.
Key Features
Folding Windshield: One of its most iconic features, allowing the driver to lay the screen flat for improved aerodynamics.
Construction: Aluminum and steel body panels over a steel trame.
Optional "Le Mans" Kit: Many owners retrofitted their cars with "M" specifications, which included larger SU H6 carburetors, high-compression pistons, and a louvered bonnet.