Hood scoop to big?

Oldmanmopar said

You need a lot of Horse power for a scoop that big. Pushing that through the air is like running into the wind with a piece of plywood strapped to your chest. You must be doing it for looks.

Mopar determined that the Hemi scoop was to big on the hemi cars after 1968 so they were only used for one year. Snorkel and T/A Challenger scoops were the best as per mopar performance chassis manual. six pack second. Your Hemi scoop was determined to be a parachute. Make sure the scoop and hood are fastened down tight.


The restriction of forward movement may not be worth the forced air it provides.

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Interesting to bring in aerodynamics of a particular hood scoop design on a car that is otherwise shaped like a brick LOL. Remember, the very next year after the 1968 Hemi scoop was the introduction of the Dodge Daytona Charger because the grill was catching too much air in Nascar lol. I agree that Mopar did all the R&D to set up these cars to do any type of racing available back in the day, and is invaluable. But for this application looks are more important than speed and it isn’t stealing that much horsepower thru the air to hurt the seat of the pants dyno in my Duster, so it’s perfectly fine. Can everyone please step back and remember everyone has different tastes and the OP asked how to install the Hemi scoop, not should he. His decision to use the scoop was made, now he wants it to function and not fly off. And last I checked Mopar had and installation guide for that too.