1995 Camaro 3.4l overheating

My car has new thermostat has been flushed and has new thermosensor fans work great and everything. My cars has no water in the oil at all but i see radiator fluid on the bottom of my car idk if this is from when it gets hot and over flows or what. But bout 6 months back my heater leaked but i cut the hoses to that and tied them off it very exspensive to replace i can do it my self but way to lazy it hasnt caused any problems till now can anyone help me out plz ?

thanxs so much guys.

Where is the coolant coming from? Check your hoses from the water pump and make sure all the clamps are tight. Check your water pump- it may have a leak.