[Chuck78]

I thought the 7-1/2' panel was the same as a short bed pickup? I know the Suburbans are a full 8' bed. To buy a new panel truck, on the factory order form, you ordered the pickup truck, and for bed options, you checked the box for panel bed.

It stopped raining, so I went out to look at it. the cross sill couldn't mount too much further rear because of the gas tank area cross bracing like in the upper picture (green cab) of my two examples. I did notice that the rear of the frame is sort of an extension that is riveted (with some massive rivets!) into the rear of the frame channel. This rear extension sits lower than the rest. I wonder if the previous owner got the rubber mounts mixed up, and put shorter mounts in the rear position? I wouldn't think the rubber mounts would differ, however.

Is it me, or are the big rubber frame bushings/bed mounts just not available anywhere?

I have a 62 GMC repair and overhaul manual, but no assembly manual. This would help me out a lot if I had one of those!