I had been searching for those blueprints on internet for a while.And i am pretty sure that i have gone through the site u mentioned(also see the former thread by shoaib).But again to confirm, that site is unavailable for the past few days.
However i will check it soon.
I am also thinking about adding the links of automotive bluprints i have come across the internet, may be that will help others also.S i am Editing my firsrt post to reflect the updates.
Here are some cool blueprints
http://www.3d-auto-club.com/2010/01/blueprints-of-cars-2010-2011.html
So keep posting.