I was at the local swap meet today and was about to buy a se of lowering blocks from a guy that wodl have been correct for my 49 rear end i told him i was swaping my 49 rear end with a 59 cameo rear edn he toldme the blocks wouldn't work because the 59 has round top u bolts isntead of square top u bolts and the leafs are 2" wide not 1.5" wide does that soudn correct ?? if so am i going to need to use the cameo leafs and shcakles etc in my suburban?