Do my numbers match up?

[JPMartin86]

Im trying to determine what to bore my cylinder to, these are the numbers that i think will match up.

Bored .000 - 66mm
Bored .020 - 66.5mm
Bored .040 - 67mm
Bored .060 - 67.5mm

Is this correct?

 

[03blasteryfs03]

looks it to me ithink

 

['02 bLaStErKiD]

Yes they are correct. My blaster is bored .020 over and the piston was 66.5