help me please

While the car is in motion? More than one thinks, but not alot on a ruler.

When sitting in the driveway? You should not be able to move it at all. Perhaps, if your a strong fella, while it is upon a stand/lift, you may be able to budge it an 1/8 inch.

This is due to the bushings or lack thereoff and your abilty to bend the pitman arm or drag arm. The length of theres pitman arms may only be a few inchs, but they can bend.

Also realize you can bend granite. No lie, you just need sensitive measureing equipment to see the super duper small amount.