I just did a valve job on my 97 lt1.I used new bolts and all with sealent on the the bolts and everything,I noticed that my water in my radiator was low quit often.I took the torque converter cover off and noticed small traces of antifreeze there.The motor does not smoke, miss,no milky oil or anything.Im not sure what's going on.Any suggestions would would help.Thanks

 

Time for a coolant pressure test.

 

I think Ifound the problem in the cross over pipes.Thanks Greg