As per the drawing below could some body measure to the nearest 1/2cm the gap from the top of the wishbone to the underside of the anti roll bar. I think my home made setup is around 20mm too long as on full droop the end of the steering rack ball joint is touching the anti roll bar.
![](http://i380.photobucket.com/albums/oo241/gengis-khan/ARB%20gap_zps4u4z1xlb.jpg)