Here is some info that might help. I know that Ford didn't account for the piston volume, above the first ring so, I omitted that in my CR calculator.
This is what mustangtec says about the C0AE, C & D heads:
C0AE-6090-C
60 352
Valves 2.02 / 1.55"
In port 2.34 x 1.34
Ex port 1.84 x 1.28
73cc
C0AE-6090-D
60 352HP
61-62 390HP Valves 2.02 / 1.55"
In port 2.34 x 1.34
Ex port 1.84 x 1.28
59.7cc
I don't know how those cc figures where determined but, the 73cc for the C heads, should be about right. Within +/- 1cc. We know the D heads were smaller but, this is the only figure I've seen.
BTW, if anyone is interested, there is a set of D heads for sale, in my area.
These calculated CR's are based on CH that I believe to be accurate for the 300 hp 352, Royce's 1.844 CH and my estimate of the HG volume of the steel shim .030 gasket. Does anyone have any factual info on when the .015 gasket was first used?
The first picture is from my 1960 Service manual publish in '59 so, it doesn't have the 360 HP. Take note of the gasket thickness and value relief, based on Randy's valve relief info and the common Ford flat top of that period.