i would like to do a 4 to a 5 lug conversion. i would either like to run corvette wheels, or 90-96 300zx wheels. i already bought 90-96 wheels. can i use the rear spindles aka shafts in a 77 280z? or is the some type of conversion plate i can mount up? or how do it do it? i have seen it done so i know i can do it but i don't know how.