'68 Barracuda Wheel and Tire Sizes on Crager SS

I have 15x8 cragar ss 4.25 back space with 235r15 sbp on the back of my 69. Probably could have gone to 245. Mine sets pretty high in back. Front I used 15x6 ss with 195r15, so they are pretty small. Would have gone larger in front if I did it over.