SuperD is correct on tire psi. I wouldn't have Sumos installed thinking they will soften the ride. The first thing I noticed after mine were installed was how much stiffer it rode.
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Full Time in 2017 Newmar Ventana 4369
pulling a 24' enclosed (Mini Cooper/Harley/Kayak)
(traded 2014 Thor Challenger)
US Army 70-73 Retired LEO
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