Re: First start up..

L.E. Hardee

Depending on your block year, one of the threaded holes in the rear may not be pipe thread.  If it is a later block, it will be for your temp gauge connection.  May be 5/8 bolt thread????    Two of your pipe thread holes can be used later for you heater connections. 

On Sun, Jun 2, 2019 at 3:14 PM Steve Perry <sperryfish@...> wrote:
Hello All,
Im about ready to attempt to start the engine. I assume it is OK to use pipe plugs to seal up the two threaded holes in the rear as well as the two in the Left Side? Also, is it OK to Plug the rear threaded hole in the water pump. 

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