Building a new 505 With Callies / Mopar Performance Block

I had a little extra time today. I just measured my piston to deck clearance it is in the hole .010. If I did my math correct that puts me at 11.93-1. Please correct me if I am wrong.

10.72 deck height, 4.350 bore, 4.250 stroke, 7.100 rod length, 78cc head, +4.50 piston cc, .039 gasket (4.410 bore).

Has anyone actually cc'd a Trickflow 270 head to see if they measure as advertised at 78cc? I was thinking about measuring one just to see if they are true at 78cc.

Next, I will need to degree the cam and check my valve to piston clearance hopefully next week as this weekend if filling up quickly.