I think you were fortunate. 160 degrees thermostat is to low for a cleveland as it provides insufficient oil temps, increased cylinder bore wear and reduced power output. 192 degrees is the correct thermostat setting.
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.