Originally Posted by
old's'cool
If the net mass of the rim/tube/tire combination changes significantly when comparing 630 to 622, then all bets are off.

Well, in fact, the tire is larger (as is the rim) so it does contribute to a greater mass. The larger air volume changes how the tire responds to bumps.
Originally Posted by
Grand Bois
You can really feel the difference between a 32 and 36 spoke front wheel? That's incredible!
I've never ridden a bike with one 32 and one 36 spoke wheel, but I've got bikes with
both wheels either 32 or 36. I believe I can feel the difference.