is it a ifs drive shaft? if so you can do some mods to the cv  to make the drive shaft drop down more. stock ifs driveshaft only drop down to 25 degrees . i did a sas and i had to put shims under my springs ,modify my cv joint on my driveshaft and make it 3 inchs longer.there is  forms on here to show how to do this.http://www.4x4wire.com/toyota/tech/cvmod/