proxin76

My water pump just shat out on me, and I need to drain the coolant before I can pull the radiator to get to it. I spent about 30 minutes taking stuff off the bottom of my front end today trying to find some kind of petcock valve to drain the coolant, but I can't figure it out. Where should I be looking, or do I just need to disconnect the lower coolant hose and let it dump like that? It's a carbureted z24, btw. Thanks in advance, everyone.