So finally after hours of searching the net I found an Electrical Component Locator for a 91 MR2. Here are the components for the USDM 5S-FE and 3S-GTE. I know that the JDM may not use some of these so if you have the knowledge speak up please! I am going to be using a Gen 3 JDM 3S-GTE ECU and Head in a 5S-GTE configuration. What components do I need?
3S-GTE:
Fuel Pump Resistor
O2 Sensor
EGR Vaccum Solenoid
EGR Temp. sensor
Turbo Pressure Sensor
Coolant Temp. Sensor
Cold Start Injectio Time Switch
Circuit Opening Relay
EFI Main Relay
Fuel Pump Relay
Solenoid Resistor
Turbo Pressure VSV
Variable Induction Switching Valve
5S-FE:
O2 Sensor (Main)
Cold Start Injector Time Switch
Coolant Temperature Sensor
Vaccum Sensor
EGR Vaccum Solenoid
EGR Temp. Sensor
Intake Air Temp. Sensor
Sub-O2 Sensor (Cali)
Circuit Opening Relay
EFI Main Relay
Fuel Pressure VSV
3S-GTE:
Fuel Pump Resistor
O2 Sensor
EGR Vaccum Solenoid
EGR Temp. sensor
Turbo Pressure Sensor
Coolant Temp. Sensor
Cold Start Injectio Time Switch
Circuit Opening Relay
EFI Main Relay
Fuel Pump Relay
Solenoid Resistor
Turbo Pressure VSV
Variable Induction Switching Valve
5S-FE:
O2 Sensor (Main)
Cold Start Injector Time Switch
Coolant Temperature Sensor
Vaccum Sensor
EGR Vaccum Solenoid
EGR Temp. Sensor
Intake Air Temp. Sensor
Sub-O2 Sensor (Cali)
Circuit Opening Relay
EFI Main Relay
Fuel Pressure VSV