Forum Discussion

kahoona's avatar
kahoona
Explorer II
Feb 01, 2023

Need tire inflation by weight for Sunitomo 719 tire

I just bought a pair of Sumitomo 719front tires (255/70/22.5 M 16ply rated). I asked what to inflate them too and was told they inflate them to 120psi which is the max on the sidewall. I have always u...
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CA_Traveler's avatar
CA_Traveler
Explorer III
Feb 02, 2023
The inflation tables are designed (hopefully) to provide the optimal conditions for a given weight. More pressure up to the max can cause more tire rounding and less traction and center wear for example. Inflation for all tires on a axle is the same and based on the heavest side.

Tires aren't always what they should be and I remain negative on Michelin and Goodyear due to my experience with cracking and other issues.

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