Duratec maintenance... you are in here already.. why didn't you read the FAQ or the HOW-TO.. or perhaps the one I have posted within my how-to post that is PINNED at the top?
first post on the list of posts in here!!
Gaskets are from the dealer.. try Steve at Tousley.. (under the parts locations faq on the main page of Contour.org.... then under FAQS)
Ray