I had the same problem the first time I tried to remove the tires. Fortunately I figured it out before I broke anything. I ended up changing them all to right handed tread.
If you are thinking about changing to a different wheel, besides keeping the hubcaps, you won't have many options for lug nuts in the left handed thread.
If you are thinking about changing to a different wheel, besides keeping the hubcaps, you won't have many options for lug nuts in the left handed thread.















