Rolls-royce Silver Dawn (1946-51)

Rolls-royce Silver Dawn (1946-51)

The Car

Coming soon

The Specs

Below are the technical specifications and any performance numbers we could get.

Engine

Bore & Stroke 89mm x 114mm
Displacement
4257cc
Firing order
1,4,2,6,3,5
Oil pressure (hot)
25 lb./sq. in.

Fuel Supply

Carburetor
Stromberg AAV26M
Compensating
0.54
Main
0.044
Slow Running
0.70
Idle Bleed
60

Valving

Intake tappet clearance
0.006″ (cold)
Exhaust tappet clearance
0.012″ (cold)
Valve-timing indication Flywheel (tappets at 0.030″)
Intake valve opens 12° ATDC

Ignition

Breaker gap 0.019″ – 0.021″
Plug gap 0.024″ – 0.027″
Ignition timing indication
Flywheel
Ignition timing
TDC (fully retarded)

Clutch

Clutch type Borg & Beck Single Dry Plate
Clutch linings Mintex

Brakes

Brake type
Rolls-Royce Hydraulic Mechanical servo-assisted
Brake linings
Ferodo

Wheel Alignment

Toe-In 116” to 532
Camber 0° to 1° out (no adjustment)
Caster angle +½° to -½°
King pin angle 4¼° (3¼° on early models)