Question about the large hood scoop on the SS cars
Effective can mean a few things.
1. Forced induction
2. Fresh cool air
I can't verify that this scoop accomplishes the forced air function but it certainly provides cool air.
On my 78 Dodge motorhome I used 6" aluminum flex dryer ducting routed from the snorkel of the 440s air cleaner to the cowl . That lowered the engine temp noticeably during long summer trips.