1964 plymouth valiant recommended rim for 245s in the back

Looks good. Ya, that rear disc will throw you off because it's not the same as my 66 with 10" drum brakes. For my Swinger, I started with a wheel that fit even though it was too narrow. I knew I couldn't add a inch of backspace but I wanted to go from a 5.5-7" if possible. I had room for 1/2" on the inside and a bit more than a inch on the outside. 15x7 with 4.25" backspac
So your thinking 15x7 with 4.25 back spacing ? for the pictures i have up