The pistons are at my shop, otherwise i would just figure it out. I was playing with Compression Ratio calculations here at home and thought i might get an answer to this thread right away if some one allready figured it out. No big deal. i will just measure the piston tomorrow.
Most of the crew is East Coast - they seem to have their milk & cookies early and sign off by this time of night, otherwise you may have gotten a specific hit by now if they know. Sorry I couldn't help.