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Ok, I have a 40+ year old truck, and I know they all leak. I recently moved my truck and now it has started doing something new. A few drops here or there are normal to me. I noticed a puddle (about a 2' circle) a week after I moved the moved truck. I feel like it was water/anti-freeze and not oil. When I went to check, I found this:
I tried to soak it up with a rag, and it seemed like it kept filling up out of the distributor. I believe that should be impossible. Any idea on how anti-freeze is getting there? I have already checked the heater hoses and the top radiator hose.
The thermostat housing might be eaten through, or the gasket, the upper part where the hose fastens on, won't be the intake, they are dry on that engine.
Not coming from intake manifold. 351M / 400 don't have coolant crossover in intake manifold. It's most likely what 440 said, from the thermostat housing. Mine's done that before.
You're right; it didn't come from the distributor. You'll have to continue soaking it up and try to trace it back to its origin. Then you'll know what needs fixing. If the engine has no seal at the base of the distributor, the coolant could migrate into the engine oil as suggested.
