Anyone ever cut a vented "heat extractor" fiberglass hood?

74Dart318 said

Being an owner of a cherokee xj I know a lot of people love to vent those hoods. Might be a slightly different reason. They like to have a place for the air to escape while offroad so the hot air doesn't stay trapped in the engine bay.

Hood vents for Cherokees - Jeep Cherokee Forum

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Interesting...I just sadly sold my '96 XJ 4.0L 5spd after owning it for 4 years and 70k happy miles (it was at 200k when I sold it, original clutch going strong). As far as I know, heat is the only weakness of that 4.0L motor...I guess they can overheat/warp the head?

The important thing here is that it sounds like it's worthwhile and helpful...