might help if anyone looking at porsche wheels and trailing arms
http://www.cantonia.com/wheel_offset.html 

http://members.rennlist.com/m758/944suspension.htm 
944-Spec Car Suspensions

[ Edited on 24-7-2006 by malcolm ]

Malcolm,
I found what you were talking about reference offsets for 944s. Thanks, it was a great help.
Berserkerbus