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Rear defroster / speaker adapter from E-body

Charger Fan

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I know these adapters were not made for nor will fit a B-body package tray. Has anyone taken one and been able to successfully modify the installation to make it fit and function on a B-body?
 
I know these adapters were not made for nor will fit a B-body package tray. Has anyone taken one and been able to successfully modify the installation to make it fit and function on a B-body?
Not on a 71-74, but that adapter marketed as being for E-Bodies will fit and work on a 70 B-Body. A spacer and a longer fastener can be used to secure the one leg of the adapter to the package tray. I may have reclocked the blower motor on its mounting plate for the hose to duct positioning.
 
I have on my 71, was not too difficult at all. I did make and weld in 1 small bracket underneath to support the adapter.
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I think they were offered on 71-74 B’s? Like a S/E

I had an offset adapter on my 68 Cuda coupe. Bolted in, drilled one hole.
 
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