Good Catch thanks. It says C&C has a 34" Frame Rail measurment
That would be correct yes. And the C&C chassis has straight frame rails from the cab back. They don't vary in width and there is no "hump" over the wheel area.
I believe at the moment the C&C layout is the same for all the Big 3, but I'm not sure how far back that holds true. So modern ambo modules built on a C&C chassis should be consistent as well. The "floor" of the module should sit above the frame, and low hanging exterior compartments will clear a 34" frame width.
In your case those compartment issues are probably the biggest question for your frame. As long as they are wide enough to clear it, and not hit anything maybe attached to the outside of it, you'll probably be good to go. The module will just sit on top of it, with you maybe having to fab some frame mounted body mounts to attach to it, if that makes sense.
Or I'm just completely full of it, which is by no means out of the question.