[masraum]

Originally Posted by Shaun @ Tru6

I had two engine builders over to the shop today and they would like to see a 3D design that plugs into the cavities. I would still plug and tape up squirters to be extra safe, we all agreed removing and reinstalling them makes the project a little less turnkey. We also talked about positive pressure from inside the case and ways to test the system.

Prumably, if you're printing plugs, you can print a handle into them, and you could drill a hole in one of the plugs to install a schrader valve in if you want to apply positive pressure.