1965 Barracuda

thank you for responding.

I was referring to the vent areas inside the cowl.

If you open the vent boxes under the dash, you can put your arm up inside and feel the lip, to see if it's rusted out. Very expensive, labor intensive repair if necessary.

However, the car appears quite solid.

Is the white on the quarter panels the original paint?
It looks like to me to be surface rust like it was never painted from factory. White original color. I took out heater core to be checked at some point. Thank you

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