Originally Posted by
sciencemonster
THis is SOP for finding leaks in _tubes_ however, a tubular tire has a tube within a tire, so the leak you see in the tire possibly could be in a different place than the leak in hte tube...what a drag to unsew the tire and then find the leak is somewhere else. Does that happen?
It can happen, but it's not the norm in my experience. The sooner you dunk or soap to find and mark the leak, the less like it is that the tube will shift out of position.