Dont run it long with coolant in the oil, it'll beat the babbit off the bearings. Get it warm and dump it HOT, then restart it and recheck for coolant leaks. Pressure testing a fresh headgasket before a few heat cycles wont work. Even the old TDM I have tells you the gasket will not seal.
Project Smoker, '87 603 powered wagon
Hauler, 96 CTD can you say torque?
Toy 73 Cougar xr7 convertible
Acme Automotive Inc.