Had the body built only to find this today
Removed the cab and bed is all, and the painter took the bed again. I may be on the road next year. So long, 6 years is a 10th of my life
Three guys will be on body and paint, their shop is slow too.
I went pretty deep on the dry run. Less the upper rear bed, we had the height of the moldings near nuts on both sides without trying. Props to GM, the bodies are well engineered, we made few body alterations.
One of the upper bed moldings had bow near center, so we found a happy medium and finished 1/8" off a match at the rear. The front RH door to fender matched within 1/32" where they're supposed to be, I know why, we'll get it right at build. I'm only referring to placement of the moldings, not holes drilled.
Ended up shimming the fenders of course, basic cab cushion shims. Front RH cowl panel a whopping 3/16", the RH pillar took 1/8", mix on the LH door striker, and an 1/8" shim at the RH front bed for level and straight.
For what it's worth, with new cushions etc. there's a 1" gap between the cab and the top front bed panel. It also measures 3.9" from the rear of the frame rails to the back of the bed floor.
I'm interested to know what others find, partially because I need to modify brackets for a rear bumper. Distance from the rear of the frame rails to a sport bumper would be exceptional help.
The bed is crooked and the cushions shot on my C20
It measures within 2/10" at 7/10" from the cab to front bed panel, and 3.7" from frame rail to end of bed floor.