I lay the head on the intake side and pour water into the exhaust chamber it doesn't flow out the valves it flow out the intake chamber, but if I lay it on the exhaust side and pour it into the intake chamber it just fills it up and will not leak out.
I have a 78 f100 with a 351, it was sucking through the exhaust and coolant was disappearing, so I pulled the head today. Clean them up and water tested the intake and exhaust on both heads. Why does each head have one exhaust chamber that would allow the water to flow from the exhaust out the...