what is different between the front suspention(becides shocks and coilovers) of the 2wd and 4wd 2004+ that allows the extra two inches of hight to the 4wd without affecting the UCA angles, and what could be done on a 2wd to acheive this exact result? idea is i want the height of a 4x4 with a spacer on my 2wd.....