Will 4.5 BS Draglite fit on front of 68 Dart?

I have an opportunity to buy some Draglites cheap, thaey are 15x7 with 4.5 back-space. I want to use these on the front of my 68 Dart, will they interfere with the front suspension? Is 4.5 BS too much? I plant to run them with 225/60r15 tires, which are the same size as my rears, its the 4.5 backspace that is my biggest concern.