In retrospect I should have taken more pictures of that piston…
Yes to both. Looking at the wash patterns it’s been through the range. Here’s an illustration of how wash patterns look:
Additionally, the pattern shape is excellent showing good and even flow from the intake ports.
Skirt looked in very good condition, ring blowby was minimal.
I thought it was normal, but I tend to work with motors that run castor based oils. Additionally, there was no carbon buildup or signs of heating underneath the crown.