3..I put the rear screws just in front of the first surface of the mirror and the forward screws about 10mm behind the front edge of the slider tube. This allows you to adjust the slider tension screws from the front with the corrector plate out of the way. This way you will not have to pull the mirror assembly back out to make adjustments, should you need to.
Oh yeah…of course! But heck, that sounds even scarier--drilling and taping right next to the front surface mirror. Did you do anything special or were you just super careful??
Thanks…this is super helpful.