Made you a list for the pressure/temp relation for 80psi filled or measured at 70 degrF.
Assumes no vollume change, wich it will practically be for an already presurised tire.
Been experimenting with a 10% volume rising from zero to referencepressure of tire( yours probably 80 psi) and it gave more temperature change per psi, so wont work that out further, because even at the pressure that gave 212 degrF( boiling temp of water) only 12 degr F higher temp.
You can print it out and glu it on dasboard to give beter inside tire temp indication then your external tmps sensors.
F. / PSI
14 / 70
25 / 72
36 / 74
48 / 76
59 / 78
70 / 80 advice-pressure
81 / 82
92 / 84
104 / 86
115 / 88
126 / 90
137 / 92
148 / 94
160 / 96
171 / 98
182 / 100
193 / 102
204 / 104
215 / 106
227 / 108
F. / PSI
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