Zeitronix Zt-2 : SEMA Award Winning Wideband Engine Datalogging System
4 cars all trouble free. The square display wedges between the dash and lower console (C2 turbo) no cutting and can be removed if needed, understated and does not look too ricey
accurate and has logging so you can analyze runs after on your laptop with great resolution
and do not have to take your eyes off the road .
host of other features (like configurable alarms). but reliable-accurate and best logging