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Old 05-01-2021, 08:42 PM   #1
jlgolden
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Can jamb vents be cut into a 1968 gmc?

Has anyone added jamb vents on a 1967 - 1970 cab? It sounds like a hurricane when I open the cowl vents on my truck at freeway speeds. I suspect the vents were added to make closing the doors easier with the windows closed, but anything to quiet the whistling would be great. New weather striping did not help.
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Old 05-02-2021, 09:58 AM   #2
Ol Blue K20
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Re: Can jamb vents be cut into a 1968 gmc?

I don't see any reason why the can't be added.
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Old 05-02-2021, 10:15 AM   #3
Getter-Done
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Re: Can jamb vents be cut into a 1968 gmc?

Here's a Link to a recent thread on the noise issue.

Link:https://67-72chevytrucks.com/vboard/...d+vent+windows

Hope this helps.









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