Recently picked up a cz core that has been utouched and have been reading alot of opinions about a br vs cz , i currently have a 87 regal running high tens it shifts around 5200 in leaving in drive , my question is would their be any benefit installing the cz valve body , governor which some people say they shift at 5600 , car has 6776 bb turbo ported irons comp cam flat tappet 3500 nl converter , just looking for some oponions who may have tried this thanks for the help