123\PORSCHE-911-BIG-6-R-V Switched 3.0 This is different than the 3.3, 2.7 and 2.4 in that the drive gear goes opposite direction. You cannot use it with the 6 pin CDI. Use without or with the 3 pin.
 for Porsche > 911 6 cylinder 3.0      How to wire the 3pin HKZ and 123ignition
 Red from 123 to 12v Terminal "B"
 Black from 123 to Terminal "C" and Black/Violet Tachometer wire
 Terminal "A" from HKZ to +ve side of coil
 Neg -ve side of coil to ground
    
  
 The 123\PORSCHE-911-BIG-6-R-V is designed for Porsche 911 3.0 L 6 cylinder engines.
Suitable for engines without HKZ (CDI) unit or first generation HKZ unit ( 3 wires ).
Warning: Don't use the original HKZ (CDI) coil direct on the 123ignition. 
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 | 
  | 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 |