You will want to inflate the tires to the max psi that the tires have. Trailer tires always need to be inflated to their max pressure to ensure you get their full capacity whereas the max psi rating for a wheel is just how much in total it can handle. Since your tires state they need 80 psi you would need to inflate them to 80 psi when they are cold and you'd be set. view full answer...
You are definitely doing the right thing in looking to upgrade your weight distribution hitch (WDH) system. Unfortunately this story is all too common where a dealer sells a WDH that really isn't up for the task. You're correct that the system is great for your trailer as-in, but once you start loading it up the system will essentially be useless.
What we need to do is get your system rated high enough to handle the loaded tongue weight of your trailer PLUS any weight you have behind... view full answer...
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