Originally Posted by
WizardOfBoz
Agree that if you have a bent fork, dishing the wheel is a dangerous way to "fix" it. But if swapping the wheel orientation changes the wheel centration, doesn't this confirm that you have both a bent fork, AND a wrongly dished wheel?
Yes it does. If the dish is correct but the fork is bent, flipping the wheel won't do anything noticeable. If it reverses the problem (moves the wheel to the right side, then dish is the problem. If it centers the wheel in the brake caliper, then it's both problems.