For MGA or MGB Switch Version

MGA or MGB Switched with original curves and a curve for stage two engines - MG4 R-V

123Ignition
SKU:
MG4-R-V
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Description
 
 
Comes with a straight cap as pictured or select an angled cap above
GB4

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
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
Installation manual 
curve advance starts
[rpm crankshaft]		 max. advance
[rpm]		 [degr. crankshaft] vac. adv. starts
[mmHg]		 max. vac. adv.
[mmHg]		 [degr.] replaces remark
0 500 2200 28 100 300 18 MG-A DM2/40510 set static at -10 degrees, HC at -5 degr.
1 500 4400 24 100 300 16 40916 18GG (LC),18G,18GA,18GB,18GD
2 500 2200 20 130 330 20 40897,41155 18G,18GA,18GB,18GD,18GG(HC),18GF,18GH,18GJ
3 1000 4600 20 100 300 10 41339 18GK
4 1000 4500 20 100 300 10 41370 18G584Z, 18G585Z
5 1000 4300 33 100 300 10 41491 18V672Z, 18V673Z
6 700 2200 14 130 330 20 41288 18V581F-18V583F-18V581Y-18V583Y (HC)
7 700 4200 18 100 300 16 41290 18V581F-18V583F-18V581Y-18V583Y (LC)
8 700 2200 19 75 200 14 41032 18V (HC)
9 1000 6000 27 100 300 16 41234,41391,41692 18V892AE, 18V779F, 18V780F, 18V893AE
A 1000 5800 24 75 550 24 41610 18V846F-18V847F
B 1000 5000 26 100 300 10 41599 18V797AE, 18V798AE
C 1000 4400 22 100 300 10 - intended for ‘stage 2’ engines
D 1000 4500 29 100 300 10 41600,41643 18V801AE, 18V802AE
E 1000 4500 29 100 300 10 41693 18V883AE, 18V884AE
F 1000 4500 29 100 300 10 41695 18V890AE, 18V891AE