Heavier Tires on Travel Trailer

I have been riding on the original China made Westlake tires on my 2015 Flagstaff 26FKWS travel trailer. The original tires were load range C on 14 inch rims. I have since ordered new Goodyear Endurance tires in the same tire size but with a heavier load range D rating. The old tires listed a maximum pressure rating of 50 lbs, the new ones maximum are 80 lbs. I'm wondering what pressure I should run the new tires at because they already have a greater load range carrying capacity but am concerned if I run them at 80 lbs will it be too stiff a ride on the trailer. I have the torsion type axels on this trailer.Should I go with 60 lbs or run at the full 80 psi?


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