Original tire size 68 Valiant

[slantflat]

Hi everyone

Can someone tell me what the original tire size on a 68 Valiant crosses to in today's tire language? This is a Slant 6 Valiant 100, originally had 650x13. Also, what tire in 14" would be the same overall size?

Thanks everyone.

 

[Kendog 170]

Not sure A78-13?
Copied from web.
175/80-13
The modern metric equivalent to tire size A78-13 is a 175/80-1312. This size is available in load range B, rated for 1,100 pounds at 35 psi, and load range C, rated for 1,360 pounds at 50 psi2. The replacement size for the A78x13ST original tire is the ST175/80-13, with an overall diameter of 24.1 inches and an overall width of 7 inches3.