Quote Originally Posted by Louey View Post
After reading this carefully, the first thing I would do is get the mic out and do some checking. Is it really 3.543 or not ? Secondly, is the seal coming a double lip or single lip seal ? And of course, all the other things mentioned. Lots of could be's. I would just start with the mic, and check everything.
Using a mike may be your best bit but .050 smaller is not a lot as .025 a side. and if Ford made them for it why not use it????
An after thought --after changing the seal run the engine on a stand to see whats what.