| Component | V3 Main Board | V2.2 Main Board | Notes |
| Capacitor, 0.1uF | C1 | C1 | CPU |
| Resistor, 10K Ohms | R1 | R14 | CPU |
| Diode, 5.1V Zener | not used | D1 | CPU |
| Diode, 5.1V Zener | not used | D2 | CPU |
| Diode, 5.1V Zener | not used | D3 | CPU |
| Diode, 5.1V Zener | not used | D4 | CPU |
| MAP sensor | U2 | U3 | MAP sensor |
| Capacitor, 0.1uF | C3 | C3 | MAP sensor |
| Resistor, 1K Ohm, ¼W | R2 | R2 | MAP sensor |
| Capacitor, 0.22uF | C2 | C4 | MAP sensor |
| Capacitor, 0.001uF | C4 | C5 | MAT sensor |
| Capacitor, 1.0uF | C5 | C6 | MAT sensor |
| Resistor, 2.49K Ohm, ¼W, 1% | R4 | R4 | MAT sensor |
| Resistor, 2.2K Ohm, ¼W | R5 | R5 | MAT sensor |
| Resistor, 2.49K Ohm, ¼W, 1% | R7 | R7 | MAT sensor |
| Resistor, 2.2K Ohm, ¼W | R8 | R8 | CLT sensor |
| Capacitor, 1.0uF | C7 | C8 | CLT sensor |
| Capacitor, 0.001uF | C8 | C9 | TPS Sensor |
| Capacitor, 0.22uF | C9 | C10 | TPS Sensor |
| Resistor, 1K Ohm, ¼W | R9 | R9 | TPS Sensor |
| Resistor, 50K Ohm | R3 | R3 | BATT |
| Resistor, 10K Ohm | R6 | R6 | BATT |
| Resistor, 1K Ohm, ¼W | R10 | R1 | EGO sensor |
| Resistor, 1M Ohm | R11 | R29 | EGO sensor |
| Capacitor, 0.22uF | C10 | C2 | EGO sensor |
| Optoisolator (4N25) | U3 | U4 | Ignition Trigger |
| Resistor, 100 Ohm | R44 | not used | Ignition Trigger |
| Resistor, 4.7K Ohm | R13 | R11 | Ignition Trigger |
| Inductor, 56mH | L3 | not used | Ignition Trigger |
| Diode, 1N4001 | D1 | D5 | Wing Diode |
| Diode, 1N4001 or 24V Zener | D2 | D8 | John Diode, use 1N4001 with hall sensor, 24V Zener with coil trigger |
| Resistor, 390 Ohm, ½W | R12 | R10 | Ignition Trigger |
| Capacitor, 0.22uF | C30 | not used | Dave cap (retrofitted as C26 on V2.2 boards) |
| Capacitor, 0.001uF | C12 | C12 | Ed cap |
| Capacitor, 0.01uF | not used | C11 | Ignition Trigger |
| Resistor, 4.7K Ohms | R13 | not used | Ignition Trigger |
| Resistor, 4.7K Ohms | R54 | not used | Ignition Trigger |
| Transistor, 2N3904BU | Q23 | not used | Ignition Trigger |
| Capacitor, 0.01uF | C11 | not used | Ignition Trigger |
| Resistor, 47K Ohms | R47 | not used | VR circuit |
| Resistor, 1K Ohm, ¼W | R45 | not used | VR circuit |
| Resistor, 1K Ohm, ¼W | R46 | not used | VR circuit |
| Resistor, 1M | R51 | not used | VR circuit |
| Resistor, 47K Ohms | R48 | not used | VR circuit |
| Resistor, 22K Ohms | R49 | not used | VR circuit |
| Resistor, 10K Ohms | R50 | not used | VR circuit |
| Diode, 1N4001 | D24 | not used | VR circuit |
| Diode, 1N4001 | D25 | not used | VR circuit |
| Capacitor, 0.01uF | C32 | not used | VR circuit |
| Capacitor, 0.001uF | C31 | not used | VR circuit |
| Transistor, ZTX553 | Q22 | not used | VR circuit |
| Flyback Transistor (TIP42) | not used | Q1 | Injector driver circuit |
| FET Driver, (34151 or IXDI404PI) | U4 | U7 | Injector driver circuit |
| Resistor, 10K Ohm | R14 | R30 | Injector driver circuit |
| Resistor, 10K Ohm | R17 | R31 | Injector driver circuit |
| Diode, 1N4001 | D3 | D20 | Injector driver circuit |
| Diode, 36V Zener | D21 | not used | FET spike protection |
| Capacitor, 0.1uF | C13 | C29 | Injector driver circuit |
| Capacitor, 4.7uF | C14 | C30 | Injector driver circuit |
| Resistor, 22 Ohm, ¼W | R15 | R12 | Injector driver circuit |
| Resistor, 22 Ohm, ¼W | R20 | R17 | Injector driver circuit |
| FET, IRFIZ34N | Q1 | Q2 | Injector driver circuit |
| FET, IRFIZ34N | Q5 | Q7 | Injector driver circuit |
| Schottky Rectifier, 1N5819 | D17 | not used | Injector driver circuit |
| Schottky Rectifier, 1N5819 | D18 | not used | Injector driver circuit |
| Transistor, 2N3904BU | Q14 | not used | Injector driver circuit |
| Transistor, 2N3904BU | Q15 | not used | Injector driver circuit |
| Resistor, 0.050 Ohm, TO-220 | R37 | not used | Injector driver circuit |
| Resistor, 0.050 Ohm, TO-220 | R38 | not used | Injector driver circuit |
| Diode, FR301 | D5 | not used | Flyback board |
| Diode, FR301 | D7 | not used | Flyback board |
| Transistor, TIP42 | Q3 | not used | Flyback board |
| Transistor, TIP42 | Q11 | not used | Flyback board |
| Transistor, TIP125 | Q9 | not used | Flyback board |
| Transistor, TIP125 | Q12 | not used | Flyback board |
| Diode, 36V zener | D6 | not used | Flyback board |
| Diode, 36V zener | D20 | not used | Flyback board |
| Resistor, 270 Ohm, ¼W | R18 | not used | Flyback board |
| Resistor, 270 Ohm, ¼W | R30 | not used | Flyback board |
| Resistor, 270 Ohm, ¼W | R33 | not used | Flyback board |
| Resistor, 270 Ohm, ¼W | R35 | not used | Flyback board |
| Resistor, 270 Ohm, ¼W | R31 | not used | Flyback board |
| Resistor, 270 Ohm, ¼W | R34 | not used | Flyback board |
| Resistor, 1K Ohm, ¼W | R32 | not used | Flyback board |
| Resistor, 1K Ohm, ¼W | R36 | not used | Flyback board |
| Transistor, 2N3904BU | Q10 | not used | Flyback board |
| Transistor, 2N3904BU | Q13 | not used | Flyback board |
| IGBT Driver, LM1949 | U7 | not used | IGBT circuit |
| Capacitor, 0.02uF | C33 | not used | IGBT circuit |
| Capacitor, 0.01uF, 630V | C34 | not used | IGBT circuit |
| IGBT, IRGB14C40L | Q16 | not used | IGBT circuit |
| Resistor, 470 Ohm, ¼W | R42 | not used | IGBT circuit |
| Resistor, 1K Ohm, ¼W | R55 | not used | IGBT circuit |
| Resistor, 0.01K Ohm, 2W | R43 | not used | IGBT circuit |
| Diode, 1N4001 | D4 | D7 | Fuel Pump drive |
| Transistor, ZTX450 | Q2 | Q3 | Fuel Pump drive |
| Resistor, 1K Ohm | R16 | R13 | Fuel Pump drive |
| Transistor, 2N3904BU | Q19 | not used | Fuel Pump drive |
| Resistor, 1 Ohm, ½W | R40 | not used | Fuel Pump drive |
| Diode, 1N4001 | D8 | D9 | Fidle Valve |
| Transistor, ZTX450 | Q4 | Q5 | Fidle Valve |
| Resistor, 1K Ohm | R19 | R16 | Fidle Valve |
| Transistor, 2N3904BU | Q20 | not used | Fidle Valve |
| Resistor, 1 Ohm, ½W | R39 | not used | Fidle Valve |
| Regulator, LM2937ET-5.0 | U5 | U5 | Power circuit |
| Diode, 1N4001 | D9 | D12 | Power circuit |
| Capacitor, 33uF | C16 | C15 | Power circuit |
| Capacitor, 33uF | C17 | C16 | Power circuit |
| Capacitor, 0.001uF | C15 | C14 | Power circuit |
| Surge absorber, ERZ-V20D220 | MOV1 | not used | Power circuit |
| Diode, 1N4001 | D11 | D14 | Power circuit |
| Diode, 12 V 1W Zener | D13 | D16 | Power circuit |
| Diode, 1N4001 | D10 | D13 | Power circuit |
| Diode, 22 V 1W Zener | D12 | D15 | Power circuit |
| Capacitor, 0.1uF | C18 | C17 | Power circuit |
| Polyfuse, RXEF050 | F1 | not used | Relay Board |
| Inductor, 1uH | L1 | L1 | Power circuit |
| Inductor, 1uH | L2 | L2 | Power circuit |
| Capacitor, 0.1uF | C19 | C18 | Power circuit |
| Capacitor, 0.1uF | C20 | C22 | Power circuit |
| Capacitor, 4.7uF | C22 | C21 | Power circuit |
| Resistor, 10K Ohm | R21 | R20 | Clock circuit |
| Resistor, 100K Ohm | R22 | R21 | Clock circuit |
| Resistor, 10M Ohm | R23 | R22 | Clock circuit |
| Capacitor, 0.033uF | C20 | C19 | Clock circuit |
| Capacitor, 0.01uF | C21 | C20 | Clock circuit |
| Capacitor, 50pF | C24 | C23 | Clock circuit |
| Capacitor, 20pF | C25 | C24 | Clock circuit |
| Crystal, 32.768 KHz | Y1 | Y1 | Clock circuit |
| Resistor, 330 Ohm, ¼W | R24 | R23 | Injector LED |
| Resistor, 1K Ohm | R26 | R25 | Injector LED |
| LED | D14 | D17 | Injector LED |
| Transistor, 2N3904BU | Q6 | Q9 | Injector LED |
| Resistor, 330 Ohm, ¼W | R25 | R24 | Warm-Up LED |
| Resistor, 1K Ohm | R27 | R26 | Warm-Up LED |
| LED | D15 | D18 | Warm-Up LED |
| Transistor, 2N3904BU | Q7 | Q10 | Warm-Up LED |
| Resistor, 330 Ohm, ¼W | R28 | R27 | Accel LED |
| Resistor, 1K Ohm | R29 | R28 | Accel LED |
| LED | D16 | D19 | Accel LED |
| Transistor, 2N3904BU | Q8 | Q11 | Accel LED |
| MAX232CPE | U6 | U6 | Serial comms |
| Capacitor, 0.1uF | C26 | C25 | Serial comms |
| Capacitor, 0.1uF | C27 | C26 | Serial comms |
| Capacitor, 0.1uF | C28 | C27 | Serial comms |
| Capacitor, 0.1uF | C29 | C28 | Serial comms |