Need help

I have 14x7 and 14x6 centerline rims with 3 1/2 backspace will they fit a 1969 dart with an 8 3/4 rearend no mods done.I did a dry fit of rim on the car they seem to be close to inner fender lip like about 1 1/4 inch from rim.would it work if I lift the back of car up a bit ?