Piston bore GT6 MkII

["Ronnie Babbitt" <rbtr3a@cox.net>]

I measured the bores of each of the cylinders here are my finding.. The
piston grade marking is an "F" stamped on the top of the piston. As I
mention yesterday the piston ridge is so very minimal in each of the
cylinders. Cylinder #4 has the most noticable ridge of the six. 
 
I am hoping that I will only need standard rings? What do you think?
 
1. 2.9405
2. 2.9405
3. 2.9415
4. 2.9400
5. 29405
6. 29410
 
Thanks 
ronnie