Tire pressure for a 1962 Valiant with 14" tires
Does the tire say 26 psi minimum pressure on the side of it? These early a's came with biased ply, running radials, I usually read the tire to tell me.
I usually run my 225/60 R14s between 35 and 40.
You could always do a chalk test to get to the right pressure for your tire rim combo. (look it up on Youtube)