Quote Originally Posted by RJD View Post
Once you open-up the hole in the the vinyl dash to accommodate the RT tube, you may find that due to the hole already there, one or more of the screws to secure the trim ring may not have anything to bite into. I ended up making a backing plate for the back of the dash, and then secured the trim ring with machine screws and nuts. In other words, the dash is sandwiched between the trim ring on the front and the backing plate on the back. Worked good.

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So true with these cars never being done - now with one month to go before the car goes to the painter, I decided to replace the vinyl dash entirely with a sheet metal one covered in leather. I'm harvesting the glovebox insert from the old vinyl dash though.

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Another great tip! Thanks. I had already planned to use machine screws and nuts for the trim ring. and i can definitely see how there might not be anything to attach one one or more of the screws to depending on where they land.