Steve Brooks <prvt_pilot@yahoo.com> wrote:

"""
 The gray subtance that you described, sounds like
 Permatex Ultra-Gray.  It is often used on parts when
 rebuiding rotaries.
 
 My understanding is that Ultra-gray is not corrosive
 to aluminum, and makes a pretty good gasket/sealant.
"""

Thanks, Steve, that's what I was looking for.  I've got the manifold in the trunk, going to take it to the speed shop tomorrow to see if they can help with the o-rings.  I'll ask one of their engine gurus what he thinks it is as well, and I'll report back my findings tomorrow night.

       <Marv>