Stop in for a cup of coffee

Head flow is shop. But if your just ballparking factroy, posted on line is good 'nuf.
CC can be done at home or at shop.
Fancy way is with a burette.
I don't see why not use a calibrated syringe.
It's on my todo list...

Plexiglass, some grease, off the top of my head that's it.

Can do the cylinder volume as well. Piston's that come above the deck are a little more complicated.

LoL. My thought was exactly that, fill with fluid and measure. I'll just read a bit and swag. I just need to be close