I just recently noticed a leak on my engine (350) that appears to be engine oil, but I have no idea where it is coming from. The bottom of the water pump is covered in oil as well as the cross member under the engine and the oil is dripping down the lower radiator hose from the water pump. The tranny lines are not leaking, plus the oil is dark brown not red, it does not appear to be coming from the power steering as most of the pump is dry, and there is no sign of the engine leaking anywhere even by the timing chain cover and intake and heads. The only thing I can think of is that the harmonic balancer has fluid in it and this has leaked out and is getting thrown on the other things when the engine is running. The harmonic balancer was new 3 years ago when I put in the crate engine, I believe I got it straight from GM, nothing fancy. Any ideas on where the fluid is coming from?