Hi all

Im after some help with combustion chamber volume of an Au xr6
non vct head.

I'm aiming for 11:1 with a au xr6 spec head
At the moment i have 92.87 bore with 99.31 stroke and get gasket of 0.8mm
I plan to use a compression ratio calutor once i get this volume.

Thinking i may have to go 1mm over size pistons but waiting to see
where the calution get me ratio wise.

Cheers Tom