T1 Restoration - Bentley featured image

The very first Bentley T-Series is being brought back to life after several decades gathering dust in storage.

The Crewe-based car markers have started a complete wheels-up restoration of the 6¼-litre pushrod V8.

The engine and gearbox have proven to be in good condition despite their extended rest.

A restoration project will take around 18 months and when finished it will be added to Bentley’s expanding Heritage Collection of road-going cars telling the story of its 103-year history.

The oldest T-Series completed manufacture on September 28 1965.

Owned by Bentley Motors and destined for trials work around the world, the T-Series was finished in Shell Grey exterior paint and complemented with a Blue Leather interior.

It was originally announced and displayed for the first time at the Paris Motor Show on October 5 1965 and was significantly different from its predecessor, the S-Type.

The 225 bhp, 6¼-litre V8 was originally designed and introduced in 1959 in the Bentley S2.

At the time the engine achieved the highest specific output by weight of any production car in the world of 2.7 lb/hp (1.2 kg/hp).

The engine was considered over-engineered at the time, but its inherent strength, reliability and development potential led to it becoming Bentley’s mainstay engine for the next 50 years.

T1 Restoration - bentley Motors

In October 2016, a group of apprentices started the rejuvenation process for T-Series VIN 001.

Starting with the removal of trim and the reconditioning of the Body-in-White, the T-Series started its return to active duty.

The T-Series Story

In 1958, work began designing the first monocoque Bentley.

Bentley was known for coachbuilt bodies underpinned by a separate chassis but customer expectations and requirements were changing at a time where the coachbuilding trade was also declining.

Customers wanted their Bentleys to be externally smaller but maintain the space, luxury and comfort they had come to expect.

By 1962, John Blatchley – famous for styling the R-Type Continental – had completed a new exterior design for a steel and aluminium monocoque body.

The design improved on the passenger space of the preceding S3, but with the overall car now seven inches shorter, five inches lower and three and a half inches narrower.

Overall cabin space was increased and a bigger boot provided more capacity for luggage.

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Using the freshly developed V8 engine, seven prototypes undertook significant testing including endurance runs of over 100,000 miles.

Design innovations included separate subframes to carry the engine and transmission, suspension, steering and rear axle assemblies, with ‘Vibrashock’ rubber subframe mounts developed to isolate road noise and vibration.

The T-Series had an advanced chassis with independent suspension on all four wheels with automatic height control according to loading.

Pressure for the self levelling suspension came from the triplicate hydraulic braking system which had disc brakes on all four wheels.

The suspension comprised of double wishbones and coil springs at the front and semi-trailing arms at the rear.

The Bentley T-Series was hailed as a clear example of revolutionary engineering given it was the first Bentley to move away from a separate chassis build, and tis relatively lightweight construction gave impressive performance for a four-sedan in 1965, with a maximum speed of 115 mph and 0-62 mph achieved in 10.9 seconds.

1,868 examples of the first-generation T-Series were produced, with a pre-tax list price of £5,425 and the majority being standard four-door saloons.

A two-door version was created in 1966, and a year later a convertible version was launched, although production numbers were kept low at just 41 cars.

A second-generation car, known as the T2, was launch in 1977 and stayed in production until 1980.

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