Description
The 123GB-4-R-V-POS
The 123GB-4-R-V-POS replaces most 4 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-4-R-V-POS does not offer this.The unit offers a maximum total of 16 advance-
| advance starts | max. advance | vac. adv. starts | max. vac. adv. | |||||
|---|---|---|---|---|---|---|---|---|
| curve | [rpm crankshaft] | [rpm/ | degr. crankshaft] | [mmHg] | [mmHg/ | degr.] | replaces | remark |
| 0 | 1000 | 4200 | 17,0 | 100 | 300 | 10,0 | LUCAS | 2000/5,0 |
| 1 | 1000 | 3600 | 17,0 | 100 | 300 | 10,0 | LUCAS | 2000/6,5 |
| 2 | 1000 | 3000 | 17,0 | 100 | 300 | 10,0 | LUCAS | 2000/8,4 |
| 3 | 1000 | 2500 | 17,0 | 100 | 300 | 10,0 | LUCAS | 2000/11,0 |
| 4 | 1000 | 4500 | 20,0 | 100 | 300 | 10,0 | LUCAS | 2000/6,0 |
| 5 | 1000 | 4500 | 20,0 | 100 | 300 | 10,0 | LUCAS | 2000/8,0 |
| 6 | 1000 | 4500 | 20,0 | 100 | 300 | 10,0 | LUCAS | 2000/10,0 |
| 7 | 1000 | 4500 | 20,0 | 100 | 300 | 10,0 | LUCAS | 2000/12,0 |
| 8 | 1000 | 4500 | 23,0 | 100 | 300 | 12,0 | LUCAS | 2000/6,5 |
| 9 | 1000 | 4500 | 23,0 | 100 | 300 | 12,0 | LUCAS | 2000/9,0 |
| A | 1000 | 4500 | 23,0 | 100 | 300 | 12,0 | LUCAS | 2000/11,0 |
| B | 1000 | 4500 | 23,0 | 100 | 300 | 12,0 | LUCAS | 2000/13,0 |
| C | 1000 | 4500 | 26,0 | 100 | 300 | 14,0 | LUCAS | 2000/7,5 |
| D | 1000 | 4500 | 26,0 | 100 | 300 | 14,0 | LUCAS | 2000/10,0 |
| E | 1000 | 4500 | 26,0 | 100 | 300 | 14,0 | LUCAS | 2000/12,0 |
| F | 1000 | 4500 | 26,0 | 100 | 300 | 14,0 | LUCAS | 2000/14,0 |
