piston compression ratio

[Dsm2Nv]

i was woundering what kinda compression i should be getting out of my motor its ross racing pistons with these are specs on it

engine code-4g63 1g

bore -3.366 (85.5 mm)

stroke-3.465

rod lght-5.906

head cc-47.0

c.h.-1.375

comp ratio -8.3

dome volume -12.1

ring groves-1.0, 1.2, 2.8 mm

gram wt.-350

and dunt no if it makes a difference but its on eagle h beam rods

 

[My1GLaser]

I don't feel like doing math right now. Here is the calculator I used when I built my motor.

Damnit. Excel spreadsheets aren't an uploadable file type. PM me your email addy if you want the spreadsheet.

 

[Dsm2Nv]

anyone have any idea?