Anyone run a Cool Head 18cc dome?

[addictedtomud]

I just put together a fresh motor and want more compression for more power. I run Turbo Blue race fuel. Current cool head dome is 20cc and I have the stock head gasket in place. Compresson test is about 172 psi cold.
Question is...can I drop to 18cc for max compression or should I stop at 19cc? How many psi increase for each cc drop?

Thanks
Kyle

[45 lt80]

What if you use a atc or a cr head gasket?

45lt80

[slamdak8782]

go for it from what ive read some people run over 200psi so just go for it

[440ex dragger]

The PSI on my 330 with an ESR head and an 18cc dome was 225 I belive. I will have to go check it though.

[Honda5]

I run the 310 cyl but only at 265cc and I run it at 220psi on a esr cool head and it runs perfect.

[addictedtomud]

Thanks everyone, I just ordered a dome from MOTO-MAN.
Hoping to be up around 200-210 compression...
Kyle

[brokeitin3]

you would be around 200psi with the dome you have by installing a thinner head gasket. just check the squish before you run it tho