there is no reason to retract my statement about the jag motors... case everything I can find says it's a jag design not porsche/ford.
and ummm cosworth had nothing to do with the Zetec design they did have to do with the casting process used for the duratec block though which I think is what you are thinking about.

2003 Subaru WRX some mods Even if you don't have the answer, you certainly have to admire the problem. aka ZetecRacing