If the tires provide enough weight capacity at 80#, I would think that you are okay. A load table will tell you that at 80 psi, your tires will carry 3042. Your rig shows a loaded weight of around 15,500 # so at first glance it would appear that you are overloading your tires unless your pin weight is north of 3300 pounds. Accurate weighing of your rig will be the only way to know if the tires as inflated are capable of handling the load. Another option is to contact Tredit at Tredit.com and see if they can help with the upgraded rims and that way you can get pretty shiny ones to replace them. Obviously the steel rims are going to be cheaper. Here is what came on our rig that will handle the 110 psi 614's:
T-04 Rims. Other choices can be found on-line at various sites.
Bingo
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Bingo and Cathy - Our adventures begin in the hills of WV. We are
blessed by our 2014 3850FL Big Sky (previous 2011 3750FL and 2007 3400RL) that we pull with a 2007 Chevy Silverado Classic DRW CC dually.