> > > How long will duct tape stick to the plastic valve cover of an engine? > > > Hypothetically, of course. Yea. there are many kinds of duct tape. For instance, there is one that is metallized, for chimney pipe sealing. Stack temps are probably 400-600 degrees F. -- Huw Powell http://www.humanspeakers.com/audi/ http://www.humanthoughts.org/