ok guys i have a 89 hb that i was thinking of swaping with a dohc zc but i heard that the tranny is dirrent and the stock axles will not work is this true and as far as every thing else it bolts up if i am not mistaken correct me if i am wrong one other thing can i use the stock wire harness i know i have run a few wires or will it be bettewr to use a si harness thank for the help