| Type |
V8 |
| Capacity |
3528 cm3 (215 in3) |
| Compression ratio |
Rnewable twin elements |
| Engines numbered in the range commencing 425, 427and 451, 453, 455 with suffix A, B or C |
10.5:1 (8.5:1 to special order) |
| Engines numbered in the range commencing 451, 453 and 455 from suffix from suffix D onwards |
9.25:1 |
| Firing order |
1-8-4-3-6-5-7-2 |
| Cylinder numbering system, front to rear |
|
| Left bank |
1-3-5-7 |
| Right bank |
2-4-6-8 |
| Compression pressure (minimum) |
|
| 10.5:1 compression ratio models |
12.5 kgf2 (175 lbf/in2) |
| 9.25:1 compression ratio models |
9.5 kgf2 (135 lbf/in2) |
| 8.5:1 compression ratio models |
10.9 kgf2 (155 lbf/in2) |
| Idling speeds |
|
| 10.5:1 compression ratio models |
600 to 650 rpm |
| 9.25:1 compression ratio models |
700 to 750 rpm |
| 8.5:1 compression ratio models |
600 to 650 rpm |
| Air conditioned models |
700 to 750 rpm with compressor disengaged |
| Fast idle speed |
1100 ro 1200 rpm |
| Ignition timing, static and dynamic |
|
| At 600 rpm |
| Compression |
Timing |
| 10.5:1 |
6 degrees BTDC for use with fuel of 100 minimum research octane number. TDC for use with fuel of 96 to 99 minimum reasearch octance number |
| 9.25:1 |
6 degrees BTDC for use with fuel of 96 minimum research octane number |
| 8.5:1 |
6 degrees BTDC for use with fuel of 90 minimum research octane number |
|
| |
7/16 (11 mm) in shut-off |
| Timing marks |
On crankshaft pulley |
| Valve Clearance |
Not adjustable |
| Distributor |
| Type |
Lucas 35 D8 |
| Rotation of rotor |
Clockwise |
| Dwell angle |
26 to 28 degrees |
| Contact breaker gap |
0.36 mm to 0.40 mm (0.014 in to 0.016 in) |
| Condensor capacity |
0.18 to 0.25 microfarad |
| Serial number |
1569 |
| Early models with Lucas No. 41176 or 4278 stamped on distributor body |
|
| Ignition timing |
| Crankshaft Angle (6 degrees BTDC) |
Engine rev/min |
| 30-34 degrees |
4800 |
| 26- 30 degrees |
3800 |
| 18-22 degrees |
1800 |
| 14-18 degrees |
1400 |
| 8-12 degrees |
1000 |
| 6 degrees |
Below 600 |
|
| Vaccum advance |
|
| Starts |
101 mm (4 in) Hg |
| finishes |
508 mm (20 in) Hg |
| Models with Lucas No. 41317 stamped on distributor body |
|
| Ignition timing |
| Crankshaft Angle (6 degrees BTDC) |
Crankshaft Angle (TDC) |
Engine rev/min |
| 30-34 degrees |
24-28 degrees |
4800 |
| 26-30 degrees |
20-24 degrees |
3800 |
| 20-24 degree |
14-18 degrees |
2400 |
| 16-20 degrees |
10-14 degrees |
1800 |
| 9-12 degrees |
3-3 degrees |
1200 |
| 6-9 degrees |
0-3 degrees |
900 |
| 6 degrees |
0 degrees |
Below 700 |
|
| Vaccum advance |
|
| Starts |
101 mm (4 in) Hg |
| finishes |
508 mm (20 in) Hg |
| Models with Lucas No. 41392 or 41393 stamped on distributor body |
|
| Ignition timing |
| Crankshaft Angle (6 degrees BTDC) |
Engine rev/min |
| 25-29 degrees |
4400 |
| 20-24 degrees |
2600 |
| 15-20 degrees |
1800 |
| 8-12 degrees |
1200 |
| 6 degrees |
Below 600 |
|
| Vaccum advance |
|
| Starts |
101 mm (4 in) Hg (41392 stamp), 101 mm (4 in) Hg (41393 stamp) |
| finishes |
381 mm (15 in) Hg (41392 stamp), 508 mm (20 in) Hg (41393 stamp) |
| Models with Lucas No. 41394 stamped on distributor body |
|
| Ignition timing |
| Crankshaft Angle (TDC) |
Engine rev/min |
| 26-30 degrees |
4800 |
| 22-26 degrees |
4000 |
| 15-19 degrees |
2400 |
| 9-14 degrees |
1800 |
| 2-6 degrees |
12000 |
| 0 degrees |
Below 700 |
|
| Vaccum advance |
|
| Starts |
101 mm (4 in) Hg |
| finishes |
508 mm (15 in) Hg |
| Models with Lucas No. 41573 stamped on distributor body |
|
| Ignition timing |
| Crankshaft Angle (6 degrees BTDC) |
Engine rev/min |
| 26-30 degrees |
4200 |
| 23-27 degrees |
3500 |
| 18-22 degrees |
2600 |
| 12-16 degrees |
1500 |
| 8-12 degrees |
1200 |
| 6-7 degrees |
800 |
| 6 degrees |
Below 600 |
|
| Vaccum advance |
|
| Starts |
90 mm (3.50 in) Hg |
| finishes |
381 mm (15 in) Hg |
| Spark plugs |
| Make |
Champion |
| Type |
L92Y |
| Gap |
0.60 mm (0.025 in) |
| Ignition coil |
| Make |
Lucas 16 C 6 with ballast resistor |
| Primary resistance at 20 degrees Celcius (68 degrees Farenheit) |
1.2 to 1.4 ohms |
| Consumption - ignition on at 2000 rpm |
1 amp |
| Carburettors |
| Engines numbered in the range commencing 425 and 427 |
|
| Make |
SU HS6 |
| Bore |
44.45 mm (1.75 in) |
| Needle - Early 3500 |
KO |
| Needle - new look 3500 |
BAK |
| Jet size |
2.54 mm (0.10 in) |
| Float level |
3.0-4.5 mm (0.062-0.187 in) |
| Engines numbered in the range commencing 451, 453 and 455 with suffix A, B or C |
|
| Make |
SU HIF6 |
| Bore |
44.45 mm (1.75 in) |
| Needle - Early 3500 |
BBG |
| Starter valve spindle |
1 mm orifice |
| Piston spring colour |
Yellow |
| Float level |
1.0 mm + 0.5mm (0.040 in + 0.020 in) |
| Damper oil |
SAE 20 |
| Engines numbered in the range commencing 451, 453 and 455 from suffix D onward |
|
| Make |
SU HIF6 |
| Bore |
44.45 mm (1.75 in) |
| Needle |
BBV |
| Starter valve spindle |
1 mm orifice |
| Piston spring colour |
Yellow |
| Float level |
1.0 mm + 0.5mm (0.040 in + 0.020 in) |
| Damper oil |
SAE 20 |
