Its not a bad idea at all infact I'm suprised more people havent done it.
I took my evader(st) and to turn it into a mt I had to make shocks moutn my rear shocks are at about a 30 degress and front at abotu 50.No where near what you looking for but I'm waiting to see what it can do on the rocks if it dosent work out I will use it for some good old mud bogging