1973 scamp front tire size.

Are your rims factory 14" rims ?
Because you either have 4.5" or 5.5". No 5" rims from the factory. 4.5" rims will limit your tire to a 205, maybe a 215.

The 60 series tires have to go.
I would Look at a 215 or 225/70-14.
Or a 195/75-14.