flipping the keys gives you about 7" drop and is way too low even with the front axles removed. i did a how to a long time ago that involoved taking a 1.5" hole saw to the xmember to reposition the adjuster down and in for a 3-4" drop but cant seem to find it anymore.
you can buy these
http://www.summitracing.com/parts/BEL-3922/
and some 4" blocks then call it done.. you axles will be fine