Blykins,
This most likely won't be your problem but I had a very similar thing that I spent 6 months trying to fix. First I thought it was the water pump and that was ok. My leak was just one tiny spot of water hanging off the bottom right side of the block every few days. Then I thought it was the thermostat housing but that was dry. After much hair pulling I finally gave up and decided it wasn't worth worrying about. Then one day during my routine maintenance I was re-tourqung the intake bolts and the one up front near the thermostat was about 3 pounds to loose. After I had retorqued them all, I drove it for a while let it set and re-checked the torque on the bolts. I have never had as drop of water since then. It was seeping from the back side of the intake seal right under the thermostat gasket and was so minor that there was never any dampness on the top.
Ron
