The vented hood was one of my first attempts at cooling and it did help a bunch. The more air you can get out of the engine bay the more air you can get through the coolers and the less heat you trap. Most of the track days around here are 4-25 min sessions but some are 5-25 and a 45 min open track at the end. My car is a 7 AT and all I do is stick it in park and pop the hood between sessions. The key was getting all the coolers where they all had good air flow and not near each other .
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