I have Calmini UCA's with at least an inch between the stop and arm, and SLR 2" shackles on the rear, it's very level.
I plan to raise it a bit more when I get a new steering setup.
[img]http://image.photoloft.com/opx-bin/OpxFIDISA.dll?s=cano&src=/PhotoLoft/Asset19/2002/04/30/9377/9377219_0_9584.fpx,0,0,1,1,640,505,FFFFFF[/img]
-Chris