What size tires?
Original tires on my 228 were 175x80 13 with a max of 65 psi, and the sticker stated 65 psi.
Trailer: Lifted 228BH, heavy duty springs and Yokohama tires TV: 2016 GMC Sierra Z71 4x4 CC, SLT
Spare TV: Two Alaskan Malamutes
Living somewhere in ID; previously lived in Moab UT; previous to that, don't ask!