67 Z28 project

[Chateau Slate 66]

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how bout some close ups of the firewall hole for the cowl plenum air cleaner. inside and out if possible since they were said to be dealer installed and from ones I have seen, they were done differently across the states

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Not trying to hijack, just answering a question.

Here is a picture of my cowl hole. Not cut out very pretty. I am not sure exactly where the car was bought, but it spent the majority of its life in MN.