I stay locked at 60 all the way around...here is a video (although the link will probably get deleted)
http://www.racedepartment.com/forum/gallery/videos/zolder-1-1-assetto-corsa-v0-8-7.2308/
http://www.racedepartment.com/forum/gallery/videos/zolder-1-1-assetto-corsa-v0-8-7.2308/