welded aluminum head leaking, on car treatment?

[art leong]

Originally Posted by GTX JOHN

We we run the thin stamped aluminum valve covers (such as Moroso ) we often find quite a bit of condensation in top of cover (Milk Shake Constancy) particularly early or late in season when car has sat......we are used to it now...... and as long as rest of engine is OK: I quit worrying about it about 20 years ago..

That condensation made us a lot of money years ago. We had big buck street races at the track. And we would pull a valve cover off and go around asking if it would hurt anything. The money piled up against us.