Did you click on my picture I posted? Then click it 2 more times to make it bigger.
You can see the chamfer, it is where your 1025 head gasket flares out more. That (1025) head gasket it not a perfect circle.
You do not chamfer down to where the rings seal, just above that point.
Doing this mod allows for more airflow.
MBHD
Well I asked because I couldn't tell if what I was looking at was chamfer or a reflection of the valve reliefs in the piston. Did you just chamfer the intake side of that bore?
