47-55.1 Cab Mount Holes

[Dachshund]

Well, the cab in my 47 (2) was TOAST - and parts were missing due to rust. Long story short, I found a different cab. It has been repaired but, whoever did it, replaced the entire floor - and left no reference points to find the cab front mounts. I'm not sure if the rear ones are there, either. I need some measurements from SOMEWHERE to know where to drill for the mounts. My only other option is to put the front end together, and mount everything up. I COULD do that, but then I'd need it all taken apart again. Any help would be GREATLY appreciated!