Hondata

What is purge system? Also, I installed kpro with rsx sideband on the S2000, I've been getting error code os secondary o2 heater error. Why is that? Is my option only to disable it?

1. Any possibility of adding on board data logger? Or maybe use a USB flash card for the data log?
2. Traction control

I'm building a strictly race car using k20a motor. Have a few questions:
1. Do I need to run 02 sensors or 02 sensor simulator since I will not run Cat converter?
2. With just intake, header, stock cam, do you think I will ever need to use octane of over 100?
3. Assuming the mods on the car are what ...