I have a 94 Civic VX, still on the stock 13" alloys (which I really like), but I think I'm going to get some cheap Spoon replica wheels, just want to know what size tires you all have run that stay close to stock tire diameter. Looks like my tire height is just under 22".

 

Looking like 195/50-15 is the popular choice.

 

You've probably already found this, but the comparison tool here is easy to use:

https://tiresize.com/calculator/

I don't even remember the stock wheel size right now, but I know that I did all the math and fun stuff when I bought my 225/45/15 and put them on my 15x8's. Comparing the 195/50/15 that you plan on buying, it's within .3" diameter of my wheel, so I think you should be good to go. Speedo should be almost 100% accurate.

 

195/50/R15 has almost exactly the same overall diameter as the stock tire.

Just so you're aware it's going to accelerate slower with a cheap cast wheel, especially compared to VX wheels that only weigh 9lbs each.