Quote:
Originally Posted by Koladog
Just got a set of Sailun S637 ST235/80R16 installed on my Mountaineer. They are more than enough tire for this trailer (11,000 lbs dry). The tire guys pumped them up to 80 lbs as stated on the placard. Just wondering if I should leave them there, pump to max 110 lbs, or somewhere inbetween???
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If your tire placard says 80 psi you already had ST235/80R16E tires. The Sailun LRG is also a ST235/80R16 and at 80 psi will provide the same load capacity as the OE tires. They will be a little more durable but not stronger when inflated to 80 psi. To gain much needed load capacity reserves from your new tires you should establish a new recommended inflation pressure for them.