possible coolant leakage?

66mustang93 said:

Mine is doing the same thing after the rebuild. The mechanic told me the water in the tail pipes was not anti-freeze (normal condenstation) and the coolant was coming from a crack in the water pump (which they replaced). They didn't find any coolant on the spark plugs either. I was concerned about the water in the pipes. It is the same as you described, it is dirty black but doesn't smell like anti-freeze. Happens everytime I start the car after it has had about 15 minutes to cool down. It never did that before the rebuild (heads, cam and intake)

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