as you probably know, the C3's ride on a 1963 suspension, so not a big difference 63 or 82 other than shocks tires rear leaf style. They all can rust depending where they came from and were stored. One thing I remember reading to look for is take out the kick panel by the feet, easy to do , slam the door a few times and see if any rust and junk falls down from the windshield pillar. If you see some then there is a issue in the post and frame up above which is not a good thing. I see lots of Vette's now for sale in Alberta, so all kinds to choose from. My 82 has the gymkhana suspension so is abit stiffer than most but I never road in another C3 so can't really say much other than on nice road it is ok, hit any little hole and you feel it. My 58 Impala rides 10 times better !!