The only thing a thermostat does is establish the minimum operating temperature of the engine. It's a lot more important to have a clean cooling system with an efficient radiator to keep the max temp under control. A 160 will make you a popsicle if you plan to drive in the winter- - - -virtually no heater output. I'd suggest a 180 to get the internal parts like piston skirts expanded properly to avoid noisy engine operation and premature wear from sloppy clearances.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!