The 123\MINI-4-R is designed with the mini/midget-enthusiast in mind. This unit is suitable for the older ‘pre-A plus’ Mini/Midget engines, but also available for the newer A-plus engines. ( referred to as : 123\MINI-A+-R-V )
The 16 curves are nicely divided over the spectrum, so that the unit lends itself perfectly for tuning.
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.
| curve | advance starts [rpm crankshaft] | max. advance [rpm] | [degr. crankshaft] | vac. adv. starts [mmHg] | max. vac. adv. [mmHg] | [degr.] | replaces | remark |
| 0 | 1000 | 5000 | 18 | 150 | 350 | 14 | LUCAS 41404,41030,41419 | 2000/4,5 |
| 1 | 1000 | 5000 | 18 | 150 | 350 | 14 | LUCAS | 2000/6,7 |
| 2 | 1000 | 5000 | 18 | 150 | 350 | 14 | LUCAS 41214,42535,41257 | 2000/8,4 |
| 3 | 1000 | 5000 | 18 | 150 | 350 | 14 | LUCAS 40774 | 2000/10,2 |
| 4 | 1000 | 5000 | 20 | 150 | 350 | 14 | LUCAS 40931,41410,41882,42626,42635 | 2000/6,3 |
| 5 | 1000 | 5000 | 20 | 150 | 350 | 14 | LUCAS 41412,41570 | 2000/7,6 |
| 6 | 1000 | 5000 | 20 | 150 | 350 | 14 | LUCAS 42681 | 2000/9,4 |
| 7 | 1000 | 5000 | 20 | 150 | 350 | 14 | LUCAS 42628 | 2000/11,1 |
| 8 | 1000 | 5000 | 22 | 150 | 350 | 14 | LUCAS 41418 | 2000/6,2 |
| 9 | 1000 | 5000 | 22 | 150 | 350 | 14 | LUCAS | 2000/8,1 |
| A | 1000 | 5000 | 22 | 150 | 350 | 14 | LUCAS 41417,41045,41134,41242,41251 | 2000/10,3 |
| B | 1000 | 5000 | 22 | 150 | 350 | 14 | LUCAS 40979,41057,41212,41246,41411 | 2000/12,9 |
| C | 1000 | 5000 | 24 | 150 | 350 | 14 | LUCAS 40767,40819,40899,41007,41250 | 2000/7,0 |
| D | 1000 | 5000 | 24 | 150 | 350 | 14 | LUCAS 41255,41938 | 2000/10,4 |
| E | 1000 | 5000 | 24 | 150 | 350 | 14 | LUCAS 41033,41026 | 2000/12,1 |
| F | 1000 | 5000 | 24 | 150 | 350 | 14 | LUCAS 40768,40873,40941,41249,41569 | 2000/13,9 |
