The first step to fitting the dashboard was to try to figure out where to drill the mounting holes. The first method was to use some red nail varnish on the end of the bolts that are bonded in to the dash and press it up against the mounting lip.
This had mixed results as you have to push it in quite hard to get it to bend to the curve.
Next option was to make a template out of cardboard to get the correct curvature, and then offer that up against the dash:
We put the cardboard up against the body and drew a line in red marker along it and cut it down to size
We then trimmed the top down until it fitted neatly under the body lip
We then drew a line from the underside of the dash which resulted in us having a perfect template of the width of the lip that needed drilling
We then placed that against the dashboard and marked where the bolts were. We made a small hole and then put this back against the mounting lip and marked through the holes to get the exact location of the holes.
When drilling the holes, we started with a M6 drill bit (the same size as the bolts), but soon realised that the holes would need to be bigger to account for the curvature when the dash is pushed in.
Therefore, we moved to M8 drill bit with an added bit of wiggle and elongation in the holes. We kept opening the holes out slowly and refitting the dash until it was a nice snug fit, but could be put in place and removed fairly easily.
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