I was also considering doing a face cut on the exhaust valves, but I think the standard chamfer that is on the exhaust valve right now is enough... Seems like a bigger chamfer would reduce the seat margin too much? Any suggestions?
All Small Six 68 small log head porting
- Thread starter clochard68
- Start date
This relates to all small sixes
Did the 30° back cuts on the intake valves today. There is still a little ledge, but can't cut any deeper without getting into the seat:
