Small Block Water Pump - Bolt Locations ?

TrailBeast said

The water pump itself isn't the point, the bolts that go into water jacket are.
All four of the long ones, two above the coolant ports in the timing cover and block and two below. _ _ _
View attachment 1715117497

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-- When I first pulled a bolt, without draining any coolant, I pulled the one on the top of the passenger side first, and no coolant came out , with the bolt completely out. ( the coolant was completely full, up to the radiator cap). -- This makes Me believe that that bolt does not go into the water jacket. -- See post # 3, and 5. By testing that is apparently the situation - 3 bolts in water. -- I did not pull the 3rd , wet bolt, because it is under the fan pulley.