i know i've seen a thread about this before, but can seem to find it.....anyways, i lowered my 68 camaro rear with blocks and now my wheels are too close to the shock perches....i think i have to use the multi leaf perches, but am not sure. does anybody know for sure if im correct or what i need to do.....i have 15x8 rallys with 265 50 15 tires in the rear.....thanks agian...