It's finally available the new CAN BUS expansion module for Stealth GPS-3 that allows the acquisition from external sensors (eg. throttle, gear, RPM, etc.), making your laptimer a data acquisition system.
RID expansion module is available in 3 versions all including also a tri-axial ±8G accelerometer:
Many RID modules can be connected in line on Stealth GPS-3 CAN BUS increasing the available inputs.