I recentley put in a long block in one of the 93's I own. the problem is that I popped the oil fill cap the other day and it has what I call the white death. (the white cream looking stuff) from my knowledge this is usually caused from a water getting into the oil. it has been drinking some radiator fluids lately and I am getting worried about it. is there a common problem that occurse with rebuilds? I would llike to think that it isnt a head gasket considering it has about 6 thousand on the new motor, and it came all put together and tight. is there anything else other than the head gasket or front cover leak that could cause this?