can you find the water pump?
it's to the right of the water pump pully, on the horizontal center line, on the neck of the shaft. It's a pretty decent size hole compared to a water pump on a gasser.
It will bite you on the nose..... it took me a bit. I"m soo use to them being more hidden than they are on the Cummins.
late night photo. . best I could do.
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here's a view looking down from the top front of the engine, just standing to the passanger side of the fan shroud.
looking down you can see the water pump... . just under the words "water pump" on the photo.
If you were to look from the driver's side more... at the side of the water pump that the words "weephole" is on, you will see a hole just under that web on the water pump.
hope this helps. . if it was day time, I probably could have gotten a pix of the hole... but the upper water hose was in the way of the flash.