Alvis 3-litre Td21 (1959)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
| Bore & Stroke | 84mm x 90mm |
| Displacement |
2993cc
|
| Firing order | 1,5,3,6,2,4 |
| Oil pressure (hot) | 50 lb./sq. in. |
Fuel Supply
| Carburetor | Twin SU Type H4 (up to car #25970) Type HD6 (from car #25971) |
| Choke |
H4=1½”; H6=1¾”
|
| Needle |
H4=CE Needle; H6=TA Needle
|
Valving
| Intake tappet clearance |
0.009″ hot
|
| Exhaust tappet clearance |
0.012″ hot
|
| Valve-timing indication | Flywheel |
| Intake valve opens | 13° BTDC tappets at 0.020″ clearance |
Ignition
| Breaker gap | 0.015″ |
| Plug gap | 0.025″ |
| Ignition timing indication | Flywheel |
| Ignition timing |
5°BTDC
|
Clutch
| Clutch type | Single Dry Plate 10″ dia. Alternative Borg Warner automatic transmission |
| Clutch linings |
Raybestos woven WR7 or moulded
|
Brakes
| Brake type | Lockheed 2LS; Opt.: Lockheed front disc brakes with Ferodo D53 pads |
| Brake linings |
MR41 or Mintex M20
|
Wheel Alignment
| Toe-Out | 0 to 1⁄16“ |
| Camber | 1° |
| Caster angle | 1°30′ |
| King pin angle | 9° |
