After the motor in Anderson's White Zombie went kablooie, one To Do was to get the Setrab oil cooler cleaned, to make sure I don't fill the next motor with bits of rod bearing.

I finally got around to sending it out to Pacific Oil Cooler, who did a really nice job on it for $125. Many steps to the flush procedure, as outlined in the pic below.


Before:







Final result. Doesn't look much different in pics but in-hand it looks brand new!