My 1969 beetle didn't come with those vents and I never had a problem with over heating. Some ideas would be to use deck lid stand off plates or a convertable deck lid. The convertabe deck lid has four patches of louvered vents to let cool air in. Hope this helps..
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I love my money pit, uhm, err, I mean my car.
1969 beetle in the works... 2.0 type 4 DTM...
2004 Suzuki GSX-R 1000

crashed
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