Found this on the net might help with your ideas. Going in the garage shortly will get the measurement between the radio holes.Took a few more measurements and from the centre of the hole to centre of hole looks to be 6 15/16.
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IMG_6086.png (1.95 MB, 81 downloads)

Last edited by KEVINSKI; 02/28/2025 2:26 AM. Reason: More imfo
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