So I played with some high density plastic, cut out six shims, drilled holes through them, matched it with some pressure treated full box length 2 x 4s and bolted my racks through the 2 x 4 and the shims. Turned out to be very solid. Taking a 20 foot canoe on a 500 mile trip tomorrow, see how...
Ya, my previous trucks have lived with the racks on them, I do a lot of wilderness canoeing. Not happy about this surprise when I went to mount my new racks and found out there was a problem. I have communicated with ford, but got the run-around. Almost need a new bed rail that sits flush, or...
The problem is the bedrails, which will not support a rack. People have been fabricating their own shims to put in the openings in the bedrail to provide support under the rack. I did this with some high density plastic, but my rack was too long and deformed the bed rail past the shim fairly...