Re: First start up..
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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: