My gauges from speedhut showed up today, I was thinking of how to install them, then I had one of those lightbulb moments, I pulled apart one of my old gauges apart just to see and it was a perfect fit, I couldn't believe it
here are the parts from the origional gauge I used, btw don't crucify me for chopping up a gauge in perfect condition, they are cheap aftermarket cr@p that look the part but don't work properly.
here are the parts that are headed for my parts bin
I used the o-ring from around the glass turned it inside out and put it around the inside of the outer bezel
the screw ring that holds the gauge in the dash has to be reversed so that the square side is towards the back of the gauge and the tapered side is to the front
here is a picture of the gauge installed I have mounted the black box for the backlight onto the back of the gauge with the double sided tape provided.
and finally here are some pictures of the final product
I just have to get a rubber grommet for the back of the gauge where the wires run through