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DB2, DB2/4 Brake System Upgrades

The DB2 and the majority of DB 2/4 models were equipped with 12 in Girling drum brakes.

General Characteristics

They come with a mechanical adjuster. The rear brakes also featured leading and trailing shoes with a fully floating double acting piston assembly. No brake servo was fitted. The handbrake acts on the rear drums and was equipped with a manual adjuster.

As fitted, they provide effective retardation all be it with fairly high pedal pressures. It is therefore a fairly common modification to fit a brake servo acting on the front cylinders only.

The brake system was itself simplex with one master cylinder acting on a single hydraulic brake circuit.

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Fast Road Upgrades

The general areas of improvement to balance the performance of a fast road engine are to keep brake pedal pressures modest, fit harder more heat tolerant brake linings and to also offer the alternative of fitting front disc brakes and servo.

The combination ensures that brakes are more progressive in use and can be stressed more highly before there is evidence of fade.

The upgrade options offered are therefore:

Option 1

  • Harder brake linings

    Option 2

  • Harder brake linings with servo

    Option 3

  • Front disc brake conversion with servo and harder rear linings

    Option 4

    As Option 1 plus

    Alfin drums

    Option 5

    As Option 2 plus

    Alfin drums

    Option 6

    As Option 3 plus

    Rear Alfin drums

    (Inspection of full brake system will be undertaken prior to all modifications)

     

 

Safety Upgrades

A twin circuit braking system with separate front and rear brake circuits can be offered. Please contact us for full details.

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Telephone: +44 (0)1207 233 525 Fax: +44 (0) 1207 232 202
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