I forgot to get back to your message. Yes, you can. Start with a 11/32 drill bit. It will need to be reamed out after that.
The CF frames work for sure, there's a circle imprint on the top that is the right diameter, which I don't remember at the moment. A CF frame with a
A nelly brown pump with a back bottle adapter would work pretty well I think. It would probably want to roll upward when pumping, which you may or may