Really appreciate all the time and effort you put into this and then sharing it. Makes so much sense to have something like this installed. The drain tee'd into the dip stick line is ingenious!
I want to do everything I can to reduce carbon build-up and this seems like a perfect way to remove the "binding agent" from the mix, not to mention having multiple other benefits. Amazing how much oil was pulled out within 2K!
The hose that sgr posted didnt seem too bad considering it was for 5m/16ft. Since you used less than 5' I should have plenty left over and would be more than happy to send some down your way once I tackle the project.