THANKFULLY MY CAR IS RUNNING GREAT HOWEVER I AM HAVING A PROBLEM WITH WATER LOSS AFTER USING.
I SEEM TO LOSE ABOUT A PINT OF WATER AFTER EACH USE, THERE ARE NO VISIBLE LEAKS AND THE CAR IS RUNNING WITHIN THE NORMAL RANGE.
CAN I HAVE A SMALL LEAK IN THE HEAD GASKET - TO THE EXHAUST PORT ?
THERE IS NO WATER IN THE OIL.
ANY THOUGHTS ARE APPRECIATED.

Check the exhaust for excess moisture or white "smoke" after the engine and exhaust system is up to full operating temperature.  Depending on the distance you drive, you may not be able to detect any "steam" coming out of the exhaust.  One way to check that is more difficult, specially on a C3, is to do a compression check on each cylinder.  I hope that works out to be a simple repair.

Normally, a head gasket leak will allow water to mix with the oil, but...not always. If it is a small enough leak, it can vaporize the coolant in the combustion chamber, and the resulting steam will exit out the exhaust. Blowers are hard on head gaskets, anyway, so I would suspect a problem there, first. A compression check with the engine hot, should give a clue.
Another possibility is a cracked head.

I once keep losing  water and could not find the cause? I had a pin hole in a hose and when the vehicle got up in pressure it would come out the hole? I found it by using a pressure tester on the radiator? I was lucky it was simple..

If the pressure tester does not show anything, you may want to try a chemical block test.  It involves a chemical in a tube over an air stone, the tube fits on the radiator outlet, and any air or gasses from the radiator passes through the air stone, and than throught the fluid.

The fluid reacts to Carbon Monoxide.  It changes color.  If you get a color change,  you have exhaust leaking into the cooling system.  Usually from a head gasket or cracked component.

Don't forget to pressure test the cap itself.  The cap is often overlooked and often the cause of small leaks.

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