1.75" has been my courage limit, and the runner turn is not round, so a CSA "benefit occurs for the soft-square shape in the turn.
The legend i heard is the bowl is eggshell on the far/long wall, so i tread lightly there for blending to the seat.
Geez you know, im not a pro, nor on the job for PMD head porting, but I sure as heck feel familiar with the issues.
|