miling block part II....compression ratio?

[Old Guy with 87 GT]

ok ....you can tell i'm pretty novice

i might have the decimals at the wrong place ...... he said it was three thousants in the hole ........origanally i told my builder to 0 deck and that i wanted the pistons as far up as i could safly get away with ,he mentioned leaving a tiny amount incase i ever had to resurface my deck .....

could this have meant .0030 in the hole ?
or are my pistons farther down then the stock ones??......the moters assembled and the tdc pistons are flat with the top ,theres no noticable diiference in the deck and piston tops .........this is what i thought 0 decked was

i'm kinda lost now and probly sound like an idiot ,
.....the guy building this motor does alot of sprint car work and has alot of experince and peaple that swear by him ...i trust his work,..... but the guys got a pretty small operation and has been very busy so i just haven't really sat down and asked him to teach me all this stuff .......lord knows i allready asked a milion questions ,...thats why i didn't ask for exact numbers ,its not that big of a concearn unless its to high ............9.2 -10 to1 is what i was aiming for ,...the speed pro flat tops were chaep enough that the compression was kinda left open to whatever it came out to

i was just curios though ,... thanks for the insights and links and if you guys got any other opinions or insights,then post away ....i'm always open to learning