I just finished mine last weekend. I was able to get my gap to 7/16. It was similar to your gap at first, then I loosened the winch tray and pushed the entire bumper back to close up the gap.@prharper I have a big gap on the driver side. With the wing arm mounts bolting directly to the frame, I see no way to adjust the wing backward (only up/down seems possible). Did you find a way to adjust forward/backward? (Or anyone else with 16+ model?)
It's about a 3/4" gap, would like to knock at least 1/4" off that to get to 1/2" or less.
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On a separate note, it appears I received a newer version of the bumper (based on parts and skid plates) but directions for an older version…directions made no mention of several parts that were included. Threaded rod, frame bolts for the threaded rod, frame mount for the bash plate and a couple other parts . Not to mention the skid plates in my directions were nothing like the actual skid plates I received…holes didn’t line up as illustrated. Thanks to the member here who recently posted their set of directions I was able to see what these mystery parts are for. And Once I took off all the factory skids I could see where the frame mount for the skid plate went. Problem is the narrow center skid support also is the mount point for the factory plastic plate that protects the trans oil pan and other stuff further back and the the frame mount for the skid plate won’t fit with it there. So i cut the center piece down to just the back portion that the plastic plate mounts to while allowing for the skid plate mount to be attached.
I took pics and will post a write-up soon…maybe it will help the other folks who said their skid plate didn’t work.