160*F is the perfect opening temp for a high performance thermostat however I would caution anyone who wishes to use this type of thermostat be aware that the engine must reach 185*F+ to avoid excess wear and tear.
Thus, this low opening type of thermostat is no good for mechanical fan situations or people without temperature controlled fan settings.
It is IDEAL for people with a temperature controlled electric fan in a high performance car because you can maintain a lower temperature for track days when the vehicle is fully warmed up already, which gives more headroom for temp raise while competing at high output