Long Road Racing

2668 Peachtree Rd.
Statesville, NC  28625

980-223-8547     

Information for installing the SADEV sequential gearbox kit


The Installation Instructions to install the SADEV sequential gearbox kit is located here


After the installation of the gearbox, the required updated to the GEMS ECU and AiM MLX2 data system must also be updated following the procedures below:



1.0         The GEMS ECU must be updated to 01L38 Firmware and the LRR Sadev 1.0 Calibration file to provide the upshift assist and downshift auto-blip for the no lift / no clutch shifts.  This can only be done by Long Road Racing personnel.  Contact Long Road Racing to schedule your update if you have not done so already.

1.1         AiM’s RaceStudio3 software must have the GEMS ND V3 ECU driver installed.

1.1.1        Download the GEMS ND V3 ECU driver here.

1.1.2        This must be done before importing the new configuration.

1.1.3        Instructions for installation are found below.


1.2         The AiM MXL2 must have a configuration built from the GEMS ND V3 ECU driver.  We have 4 premade configurations available for download below:

1.2.1        LRR SADEV V1.0 BasicThis is a basic configuration with no Pit Speed Limiter and no additional temperature or pressure sensors added.

1.2.2        LRR SADEV V1.1 Basic Pit:  This is the Basic configuration with the Pit Speed Limiter Added.

1.2.2.1        Only use this configuration if you have the Pit Speed Limiter hardware installed.  The limiter can be triggered accidentally if the hardware is not also installed.

1.2.3        LRR SADEV V1.2 Basic Plus: Basic configuration with Transmission Temperature, Oil Temperature, Oil Pressure and Water Pressure Added.

1.2.4        LRR SADEV V1.3 Basic Plus Pit: Basic Plus Configuration with Pit Speed Limiter Added.

1.2.4.1       Only use this configuration if you have the Pit Speed Limiter hardware installed.  The limiter can be triggered accidentally if the hardware is not also installed.


Instructions for Adding the GEMS ND V3 ECU driver to Race Studio 3:

1.0         Download GEMS ND V3 MXL2 ECU Driver above.

1.1         Open Race Studio3, click on the “CAN PROTOCOLS” Icon. 

1.2         Import the downloaded MXL2 ECU Driver. 

1.2.1        After Import Manufacturer should say Mazda, Model should say Gems ND V3.


Instructions for Update AIM MXL2 dash with provided configuration:

1.0         Download appropriate MXL2 Sadev Configuration above. 

1.1         In Race Studio3, click on the “Configurations” Icon.

1.2         Import the downloaded MXL2 Configuration.

1.3         Connect Computer to Vehicle using MXL2 USB Cable, turn power on and “Transmit” the configuration file.

1.4         Once transmission is complete verify that ECU information such as RPM, Gear Position, Engine Coolant Temperature (ECT), etc is displaying correctly on the MXL2.

1.4.1        If all items are displaying correctly, turn power off and disconnect computer.