P205/75 R14 or P215/70 R14
I use Uniroyal 205/70x14's on my 69 GTS. the rims are 5.5, and that tire is comparable to the original E70-14. I would use 215's, but that size does bulge too much for my liking on a 5.5 rim. I Use 215/70 on My charger, but with the 14x6 rim. F70-14 best as well.
In the 215/75x14 I have purchased The vercelli brand, which are made in Thailand. So far I have no complaints. They have stiffer sidewalls, and have a max pressure of 44 lbs recommended.
So, there is little or no sagging in the sidewall like I see on the Hankook.
Both brands are working well, but the Uniroyal is the better of the two I would say.
I also noticed the Uniroyal date on the tires were the same month as my purchase, VS 6 months or so on the Vercelli.