'69 Fastback Steel Wheels - What tire size to go with?

Hello,

I'm looking to change over to 15x7 (5x4bp) steelies, but I'm curious of what tire size to go with. If possible, I would like to have equal size tires all the way around. My car is stock, drum brakes and all, so I'd like to get some opinions before I get some ordered.

If anyone is interested, I'd most likely be selling these Cragars when I make the switch.

Green Fastback is mine. Blue Fastback is the tire/wheel combo I'm looking for.

Thank you,

Dillon Crow

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