My recollection says that to remove the deck you only need concern yourself with the deck - no dash disassembly. The factory deck was likely a DIN removal tool or the allen key on each side. The Audiovox will either have a DIN cage or adaptor.

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Paul Niwranski
1966 Cadillac Superior Crown Royale Limousine Hearse

If you're mirrors ain't shakin...you got taken...
RIP Member #8
Be careful what you wish for...