Why don't you sell the current regulator and needle valve on craigslist or e-bay and buy a new regulator from micromatic?
That way you don't have to fark around with an expensive gauge... and you'd have something made for what you want to do...
Damn, Crash is one hard-headed mofo. - Shecky
The one that road tests motorcycle safety gear. - Ace_Club
no, Oregon boys are genetically predisposed to annoy people for extended periods of time - thataintchicken