http://www.csgnetwork.com/compcalc.html

Used this calc above and it seems to be very high. Or maybe im a retard. Some one else run these numbers on another trusty calculator and tell me what u come up with pleaseee!

4.030 bore
4.0 stroke
.051 gasket/ 4.085 gasket bore
.006 Deck
-28cc dish turbo pistons
65cc chamber

cam specs.. 234/239 .612/.610 115+5

 

I got 9.3:1.

 

That sounds better! What calculator did u use?

 

I got 8.947206773152123:1 using the calculator you linked.

 

are you sure you put your piston in as a -28

 

Yea i put the - in . Clearly enterd somthing wrong lol