Originally Posted by
Tourist in MSN
From an engineering point of view, if you were to try 150 psig in a 37mm tire and did not split the tire, you could risk damage to the rim. Some rims are rated for max pressure for different tires sizes. My 37mm tires are rated for 87 psig, my 700c tiouring bike rims are rated for 88 psig with 37mm and 103 psig with 28mm tires.

+1
I'm still learning about wheels, but I think something needs to give somewhere, and so you want your tires not rock-hard when you weigh as much as we do, otherwise I think you'll find that you are going to be snapping spokes and/or having the rim fail one way or another.