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OTHER FIENNES COMPANIES:
WORLD-CLASS BENTLEY RESTORATION

Pre-War Bentley

Pre-War Bentley Restorations

A BEAUTIFUL BLEND
OF HERITAGE AND
MODERN CRAFTSMEN

Our specialists are world-renowned in the restoration and conservation of Pre-War Derby Bentley motor cars – or indeed any classic Bentley. We undertake all aspects of Bentley restorations in our own facilities, regardless of their complexity, encompassing carpentry, panel work, mechanical engineering and paintwork. Within our Group we’re also able to manufacture brand new parts from original drawings, reclaim parts, recondition or reverse engineer them. It’s a comprehensive Bentley restoration service that ensures these beautiful motor cars continue to run for many more years to come.

Contact us today to discover how Fiennes Classics can assist with your Bentley restoration project.

Classic car panel fabrication
Classic car body restoration
Classic car mechanic
Pre-War Bentley Specialists

Renowned restoration skills

Highly Specialised

Panel craft

Our classic car panel fabrication and body work specialists are renowned for their handcrafted re-creation of bodywork for some of the rarest vehicles. A front wing can take 2 weeks, a full body 12-14 weeks – but here, time is not of the essence – craftsmanship is.

Master Craftsmanship

Carpentry

Our world-class carpentry and woodcraft skills extend across classic car wood restoration projects as complex as a full rebuild of a Bentley frame, to the delicate mirror matching of veneers for dashboards and interior trim.

Award-Winning

Paintwork

The colour of a Bentley is an inherent part of its heritage and personality, so it’s vital to any restoration. Our specialist classic car paint restoration and paintshop craftsmen are experienced in returning a car back to its original colour or finishing to a new colour of the owner’s choosing.

World-Class

Mechanical Engineering

From complex bottom-up restorations to gearbox rebuilds, our world-class mechanical engineers bring a wealth of knowledge and expertise to any project. Whatever Classic vehicle you own we have the skills to help.

There’s beauty in the detail

UNDERSTANDING BENTLEY MODELS

Here is in-depth knowledge from our Technical Director Will Fiennes accumulated from over 45 years’ experience working with Bentley models. Will is probably the leading authority alive today and we are pleased to share this with you.

3 1/2 L

In order to get a new car into production in the shortest possible time after the takeover of Bentley Motors, Rolls-Royce based the new 3 1/2 litre Bentley on the experimental Rolls-Royce ‘Peregrine’. It used a similar engine and gearbox to the Rolls-Royce 20/25, although substantial modifications had been made to ensure that the new car had a much more sporting character with outstanding performance to match.

PRODUCTION NUMBERS:

1191

YEAR:

1933-1935

ENGINE:

6 cylinders, capacity 3699cc. Separate cast iron block and two-piece aluminium crankcase with detachable cast iron 6-plug head. Overhead pushrod operated valves. 7-bearing crankshaft with vibration damper. Pressure-fed lubrication with relief valve feeding rocker shaft and timing gears.

CARBURATION:

Twin SU carburettors with hand-operated choke mounted on water-heated manifold.urettor.

IGNITION SYSTEM:

Coil ignition system with standby coil mounted together. Centrifugal advance with hand override.

COOLING SYSTEM:

Engine driven pump and fan. Thermostatically controlled radiator shutters.

FUEL SYSTEM:

18 gallon rear tank with double SU pumps mounted on firewall. Electric gauge.

TRANSMISSION:

4-speed gearbox in unit with engine. Synchromesh on 3rd and top. Right hand gearchange. Clutch, single dry plate type. Open drive propeller shaft.

SUSPENSION:

Semi-elliptic leaf springs front and rear. Hydraulic dampers, equipped with Ride-Control from 1934

BRAKES:

Internal expanding 4 – wheel operation with independent handbrake on the rear wheels. Mechanical brake servo motor driven from the gearbox.

STEERING:

Worm and nut.

4 1/4 L

The 3 1/2 litre was replaced by the 4 1/4 litre in 1936, substantially the same car with detail improvements in addition to the larger engine. In 1938 the M-series or ‘overdrive’ cars were introduced, essentially a continuation of the 4 1/4 litre but with an overdrive top gear and a rear axle ratio designed to cope with the high-speed roads being built on the Continent

PRODUCTION NUMBERS:

1241

YEAR:

Bentley 4 1/4 Litre 1936 – 1938 M-Series 1938 – 1939

ENGINE:

6 cylinders, capacity 4257cc. Separate cast iron block and two-piece aluminium crankcase with detachable cast iron 6-plug head. Overhead pushrod operated valves. 7-bearing crankshaft with vibration damper. Pressure fed lubrication with relief valve feeding rocker shaft and timing gears.

CARBURATION:

Twin SU carburettors with hand operated choke, mounted on water-heated inlet manifold. Fuel: : 18 gallon rear tank with double SU fuel pumps mounted on firewall. Electric gauge. Low fuel warning lamp

IGNITION SYSTEM

Coil ignition system with standby coil mounted together. Centrifugal advance with hand override.

COOLING SYSTEM

Engine driven pump and fan. Thermostatically controlled radiator shutters.

TRANSMISSION:

4-speed gearbox in unit with engine. Synchromesh 3rd and top. 1938 direct drive 3rd gear, overdrive top. Right hand gearchange. Clutch, Borg and Beck type. Open drive propeller shaft.

SUSPENSION:

Semi-elliptic leaf springs front and rear. Hydraulic shock dampers equipped with ‘Ride Control’.

BRAKES:

Internal expanding 4 – wheel operation with independent handbrake on the rear wheels. Mechanical brake servo motor driven from the gearbox.

STEERING:

Worm and nut. 1938 Marles cam and roller steering box.

CHASSIS LUBRICATION:

Centralised ‘One-Shot’ lubrication system.