While I was tightening conrod bolts, I found out that the bolt head was not 10mm.
Totally forgot that ARP does not come from metric world. Almost shat my pants when I felt the tool slip – luckily it was just the socket giving up.
Figured out pretty quickly that the bolt head must be 3/8″, which converts neatly to 9.5mm, and just to make sure that the size wasnt something really weird I also bought a 9mm socket.
Perfect fit – it was 3/8″. I cleaned everything twice and tightened the bolts to 40Nm per instructions from conrod manufacturer.
Heading towards this:
Meanwhile Widric had bought a disco ball.