Use 8 ply tires for the mains, they're only a couple of bucks more.

On Fri, 07 Nov 2003 13:49:18 -0500, anon wrote:

(Paul Lee) wrote:
:
:Thanks for the leakage comments... but anybody know about the
:proper tire pressure? Or is that a mystery?
:
:45 psi for mains and 55 psi for the nose. Use six ply tires for the
:mains. Check pressure 12+ hours after initial inflation and add air
:if necessary. After that, pressure loss will be due to
:leakage/diffusion.
:
:The 70 psi nose tire pressure suggested by another poster is not only
:needlessly high but is over the maximum pressure specification for
:most 10x3.50-4 tires (1). Another poster's comment to "blow 'em up
:until the sidewalls come off the ground" is, of course, idiotic.
:
:Tire And Rim Association tire pressure chart:
:http://www.desser.com/pressurechart.html
:
:- anon
:
:1: The ply rating is an indication of tire strength and does not
:necessarily specify the actual number of carcass plies within the
:tire. The term is used to identify the maximum rated static load
:capability and corresponding inflation pressure applicable to specific
perational requirements.