Join Date: Mar 2007
Location: San Antonio, Texas
A giant sized pair of channel-lock pliers (giving you plenty of leverage) and a Harbor Freight heat gun is also a reasonably good way of loosening a stuck threaded thermostat. My '72 Super came from the factory with a threaded, screw-in, thermostat.
Jim . . . '72 Super 1300, '70, 1750GTV, 2nd series,
'62, Lancia Flaminia Zagato3c, 2nd series