Dumping radiator fluid out of my headers

Well i tried to start my car today(1988 5.0 lx) with just the headers on to see what it would sound like and when i did something went wrong and all my radiator fluid came straight out of my headers and onto the ground???? Can someone please tell me whats wrong? thanks
 
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At first glance, it sounds like you had a head gasket go out on you. A pressure test of the system will tell you for sure. If so, pull up your sleeves, because you're gonna be at it most of the afternoon replacing it.

....and why are you being so bold? :shrug: