On May 12, 2:19*pm, wrote:
Hi. *I was wondering if a thin layer of foam is normal or to be
expected at the top of the oil in the reservoir after say a 10 mile
run. *I am ppositive they are tiny bubbles and not water or other
contamination. *It's a 92 brave one with a merc 454, drive oil was
just changed. *Thanks.

Not sure, but I wouldn't expect any. After the drive has sat idle for
a while slowly open the lower plug and let just a little lube out. If
there is any water it will come out here.