You really think that board will support the weight of a car?
If your car tire is losing air from the valve stem, what do you do? You have to push the bead off the rim somehow, but it isn’t easy. I tried pushing the bead off the rim by jumping on it, hitting it with a sledge, and throwing the tire sideways against the ground, but it wouldn’t budge.
Here’s how I finally got access to the other side of the rim to change the valve stem:
The tire moved about half way there before the board snapped, but in the end I did get the job done.
why not just lower the spare down on the bead ?
That would be a smarter way to do it! I don’t think my jack would lift the car high enough for that, though.