Armstrong Siddeley Sapphire 346 Limousine (1959)

Armstrong Siddeley Sapphire 346 Limousine (1959)

The Car

Coming soon

The Specs

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

Engine

Bore & Stroke 90mm x 90mm
Displacement
3435.3cc
Firing order 1,5,3,6,2,4
Oil pressure (hot) 25 lb./sq. in.

Fuel Supply

Carburetor Stromberg DAV 36
Choke
13⁄16
Main
0.060
By-Pass
0.054″
Main Discharge
L2111
High-speed bleed
0.068″
Pump
0.070″

Valving

Intake tappet clearance
0.006″ (hot)
Exhaust tappet clearance
0.006″(hot)
Valve-timing indication Timing wheels
Intake valve opens 8° BTDC at 0.014″ – 0.016″ clearance

Ignition

Breaker gap 0.014″ – 0.016″
Plug gap 0.028″ – 0.033″
Ignition timing indication Insert rod in plug hole
Ignition timing
5°BTDC

Clutch

Clutch type Borg & Beck 10AGG
Clutch linings
Spring Borglite

Brakes

Brake type
irling hydraulic
Brake linings
Ferodo DM8 (front); MSI (rear)

Wheel Alignment

Toe-In 316
Camber 2° unladen
Caster angle ½° ± ¼° unladen
King pin angle
5.5° unladen