GB-6-R-V-POS
The 123GB-6-R-V-POS replaces most 6 cyl. Lucas-distributors for engines in Great-British (hence ‘GB’) cars.This unit offers “Positive earth” option. This means the unit can be used on positive earth cars. ( + of the battery connected with the chassis of the car) It is also possible to use this unit on a negative earth car.
Note that there are dedicated 123-ignitions for Mini, Jaguar & MG.
Please check if the distributor need a connection for a mechanical rev.counter, as a 123GB-6-R-V-POS does not offer this.The unit offers a maximum total of 16 advance-curves to be selected by the end-user.
Please take a look in the table below for available advance curves.
| Specifications | |
| Cylinders: | 6 |
| Directions: | CW/CCW |
| Voltage: | 4,0 – 15,0 volt |
| Range: | 500 – 8000 rpm |
| Temperature: | -30 to 100 Celsius |
| Coil: | stock or High Energy coil, primary coil NOT below 1,0 ohm |
| Dwell: | constant current, fully autom. |
| Time-out: | after 1 second current is switched off |
| Spark-bal: | <0,5 degr. crankshaft |
| Vacuum: | Starts at 100 mmHg, ends at 10 degr. @ 300 mmHg |
| Max. Advance: | 45 degr. crankshaft |
| Wiring: | red = +6V or +12V, black = ‘-‘ coil |
| Earth type: | Suitable for negative and positive earth systems. |
| curve | advance starts [rpm crankshaft] |
max. advance [rpm] |
[degr. crankshaft] | vac. adv. starts [mmHg] |
max. vac. adv. [mmHg] |
[degr.] | replaces | remark |
| 0 | 1000 | 4200 | 17 | 100 | 300 | 10 | LUCAS | 2000/5,0 |
| 1 | 1000 | 3600 | 17 | 100 | 300 | 10 | LUCAS | 2000/6,5 |
| 2 | 1000 | 3000 | 17 | 100 | 300 | 10 | LUCAS | 2000/8,4 |
| 3 | 1000 | 2500 | 17 | 100 | 300 | 10 | LUCAS | 2000/11,0 |
| 4 | 1000 | 4500 | 20 | 100 | 300 | 10 | LUCAS | 2000/6,0 |
| 5 | 1000 | 4500 | 20 | 100 | 300 | 10 | LUCAS | 2000/8,0 |
| 6 | 1000 | 4500 | 20 | 100 | 300 | 10 | LUCAS | 2000/10,0 |
| 7 | 1000 | 4500 | 20 | 100 | 300 | 10 | LUCAS | 2000/12,0 |
| 8 | 1000 | 4500 | 23 | 100 | 300 | 12 | LUCAS | 2000/6,5 |
| 9 | 1000 | 4500 | 23 | 100 | 300 | 12 | LUCAS | 2000/9,0 |
| A | 1000 | 4500 | 23 | 100 | 300 | 12 | LUCAS | 2000/11,0 |
| B | 1000 | 4500 | 23 | 100 | 300 | 12 | LUCAS | 2000/13,0 |
| C | 1000 | 4500 | 26 | 100 | 300 | 14 | LUCAS | 2000/7,5 |
| D | 1000 | 4500 | 26 | 100 | 300 | 14 | LUCAS | 2000/10,0 |
| E | 1000 | 4500 | 26 | 100 | 300 | 14 | LUCAS | 2000/12,0 |
| F | 1000 | 4500 | 26 | 100 | 300 | 14 | LUCAS | 2000/14,0 |
