standard dimensions

Hey all, I am about to do some major surgery on my 79 Troopy, and would like some dimensions before I start cutting so I can support some of it in the right spot... Can someone get the rear door opening dimension from side to side? Ideally both the small dimension where the seal mates and the...

Hi Guys, so I've been looking at roof racks casually and came across a couple of good deals on some universally mounted ones. My question is, are there standard dimensions that fit best on our land cruisers? Thank you