Quote:
Originally Posted by CalandLinda
...... Anyhow, say you use a ST235/85R16 LRE to replace a ST235/80R16 LRE. That 85 is a plus sized tire because at 80 PSI it provides 3640# of load capacity whereas the 80 tire provides a maximum of 3520# and the load inflation chart for one is not applicable to the other. And the 85 is wider and taller than the 80.......
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So, is it your opinion based on the foregoing that no one should ever use an 85 sized tire if the RV mfgr. originally installed an 80 sized tire, even though either tire can be aired at x psi to x psi according to their respective inflation charts? (I understand the 85 tire is slightly wider and taller.)