65 Cuda Tire Advice?

Well just somethings ive hand on my mind for awhile now while im in the process of restoring my cuda is well... you guessed it. Tires. I have 14s on the front and 15s on the back to give it that nice race car style feel to it but Did I make a mistake going with 14s? Since those tires are getting a little harder to come by. Ill post pics of the rims here in this post shortly just give me some advice!!