I removed mine a long time ago as well and drove it on the street. For myself I never drove it in the rain. That seem to be the worse time when the rear tires locked up.
This year I finally bought a after market one and grabbed a 1" MC from PNP. Works better now.
here is where I mounted mine.
![](http://www.texas4x4.org/gallery/albums/MikesToyota/brake_valve.sized.jpg)
It looks tight in their because of the front Dovetail.
Mike