Haha, I'd be saying the same thing, but my test cluster is already fµcked over, (As you'll see when I find my damn camera!!! The thing vanished!) so I don't worry about the needles getting miscalibrated.
I'm learning a hell of a lot abut how the gauges work, so I'll send out very detailed instructions with the gauges when I start selling them.
...OMG I HAD BETTER FCKING NOT HAVE LOST MY CAMERA!!!