123\MG-4-R-V

for MG > all A & B's
The 123\MG-4-R-V is designed especially for the MGA and MGB.

All the advance-curves, that were ever specified for these cars, are integrated into this product.
For MGC see 123\GB-6-R-VThe 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: 4
direction: CW/CCW
voltage: 4,0-15,0 Volts
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.: better than 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

Curve table data

123\MG-4-R-V
advance starts max. advance vac. adv. starts max. vac. adv.
curve [rpm crankshaft] [rpm/ degr. crankshaft] [mmHg] [mmHg/ degr.] replaces remark
0 0500 2200 28,0 100 300 18,0 MG-A DM2/40510 set static at -10 degrees, HC at -5 degr.
1 0500 4400 24,0 100 300 16,0 40916 18GG (LC),18G,18GA,18GB,18GD
2 0500 2200 20,0 130 330 20,0 40897,41155 18G,18GA,18GB,18GD,18GG(HC),18GF,18GH,18GJ
3 1000 4600 20,0 100 300 10,0 41339 18GK
4 1000 4500 20,0 100 300 10,0 41370 18G584Z, 18G585Z
5 1000 4300 33,0 100 300 10,0 41491 18V672Z, 18V673Z
6 0700 2200 14,0 130 330 20,0 41288 18V581F-18V583F-18V581Y-18V583Y (HC)
7 0700 4200 18,0 100 300 16,0 41290 18V581F-18V583F-18V581Y-18V583Y (LC)
8 0700 2200 19,0 75 200 14,0 41032 18V (HC)
9 1000 6000 27,0 100 300 16,0 41234,41391,41692 18V892AE, 18V779F, 18V780F, 18V893AE
A 1000 5800 24,0 75 550 24,0 41610 18V846F-18V847F
B 1000 5000 26,0 100 300 10,0 41599 18V797AE, 18V798AE
C 1000 4400 22,0 100 300 10,0 - intended for ‘stage 2’ engines
D 1000 4500 29,0 100 300 10,0 41600,41643 18V801AE, 18V802AE
E 1000 4500 29,0 100 300 10,0 41693 18V883AE, 18V884AE
F 1000 4500 29,0 100 300 10,0 41695 18V890AE, 18V891AE