I think it would actually help some if the hat isn't to small. On a 69 air comes in on the outside of the headlights with little resistance. It will be mixed with under hood temps though. A cowl hood is similar in my opinion. I know mine sticks up in the hole at least an inch and it's fairly tight. I'd like to see it tested on a chassis dyno with the hood shut and a standard air cleaner vs. this setu with some high speed fans on both corners.
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Todd
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