Errrr......so I'm really talking distance here. Not indicated speed.
My speed is close enough based on some of those radar signs I've passed.
I would assume the odometer in my 100% stock Honda Civic has to be pretty darn close to spot on.
Gearing: 13t - 48t
Power Commander 5 / PC-V
Airbox Door Removed - Flapper glued - AIS removed
Bridgestone Battlax BT-003rs