Replacing the pinbox I finally did something that has been a problem since buying the Ford and the 2011 Goshen rally.
The older style frame for the pinbox has more material in it then the newer trailers.
When backing into spaces and with a little uneven ground, the frame would hit the side rails for my roll top cover. Currently I would max out the air bags in the hitch to 100psi to raise the nose of the trailer as high as possible.
Previously I had also changed the height limit bolt in the hitch to allow an extra 1.5" of lift. Still it would get a little to close to the rails.
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So, I got out the Portaband and sawed away the ears
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Still have some finish grinding to do, waiting for the monsoon to stop to go for a ride.
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Even without a roll top cover, the 2017 Fords with the higher bed rails can have an 'interference' between the pinbox frame and the bed side rails.
I saw recent evidence of this, so be aware. On the plus side, it is the plastic top cover that gets chewed up and is only about $70.