Originally Posted by jcinadr
I have bee fond of drilling out chrome plated brass automotive valve stems. That said, while it is easy if you have a valve tool and a drill press, there might be simpler solutions. Honestly you can probably do it without one of those tools, just not without both. It is a lot easier to drill out with the valve removed (so you might be able to pull it off with a hand drill). Drilling through the valve (did that a couple times when I did not feel like digging for my valve tool) is not much fun.
I use the 1/8th in. compression fitting you can buy at the auto part stores.
22.5 ots, 26.75 otg, uds, Big Black Joe