Front main cover seal is shot? I know it's a common issue on the 3.0L's, but it doesn't gush out as fast as you're describing unless the seal is just gone.
Have you checked your hose connections? Does it leak when running? Can you see the coolant spraying or leaking out? Not like you don't already know this, but just be careful when looking around under there. Wouldn't want to have a thread about you getting burnt with HOT coolant.
Check where the thermostat housing connection is, common spot for a blowout too.
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