7.3 Ignition Settings 7 ADDITIONAL ITEMS: BEYOND BASIC FUEL AND IGNITION CONTROL
7.3.11.3 RX8 mode The RX8 mode is automatically enabled if you set the number of coils to “coil on plug” and
the number of rotors to 2.
Ignition wiring:
• Spark A Front Leading coil
• Spark B Rear Leading coil
• Spark C Front trailing coil
• Spark D Rear trailing coil
Fuel wiring:
• Inj A Front rotor primary injector
• Inj B Rear rotor primary injector
• Inj C Front rotor secondary injector
• Inj D Rear rotor secondary injector
7.3.11.4 3 rotor Using three rotors requires coil on plug ignition to be set.
Ignition wiring:
• Spark A Leading coil A
• Spark B Leading coil B
• Spark C Leading coil C
• Spark D Trailing coil A
• Spark E Trailing coil B
• Spark F Trailing coil C
Fuel wiring:
• Inj A Primary injector A
• Inj B Primary injector B
• Inj C Primary injector C
• Inj D Secondary injector A
• Inj E Secondary injector B
• Inj F Secondary injector C
The coils and injectors need to be wired in firing-order sequence. The outputs fire A,B,C,D,A....
7.3.11.5 4 rotor As with 3 rotor mode, this requires enabling coil on plug ignition.
Ignition wiring:
• Spark A Leading coil A
• Spark B Leading coil B
• Spark C Leading coil C
• Spark D Leading coil D
• Spark E Trailing coil A
AMP EFI MS3ProUltimate manual version 1.203, firmware 1.5.0, 5/23/2017 Page 183
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