That's basically the size I ran on my ‘72 before I lifted it 3 1/2” , cut it and went to 9.00 X 16” military non directional tires (approximately 36” tall). I'm just gonna say I thought the stock 15” rims/tires looked small and underwhelming, at least in my view. What it comes down to in the end is what YOU like.
Personally, I like lift and large tires but that's not what everyone goes for.
Randy