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#1 Old 12-28-2005, 12:28 PM
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Any Horsepower gains from Ram Air Hoods?

Do any of you guys know if there are any noticeable horsepower gains from the Ram Air hoods found at These hoods divert the air over to where my cold air intake is located. Also they will be coming out with a hood that has their own high flow filter in a couple months. Please let me know what your thoughts are on these sweet looking hoods.
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#2 Old 12-28-2005, 08:36 PM
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Re: Any Horsepower gains from Ram Air Hoods?

I've done quite a bit of work with ram air hoods. Hoods that allow cold air to be rammed into the induction when the vehicle is at speed will usually be good for about 10-15hp. It can really become noticeable at speeds over 40-50 MPH. We have recently added their Charger hoods and inductions to our site.

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#3 Old 12-28-2005, 08:58 PM
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Re: Any Horsepower gains from Ram Air Hoods?

How do you quantify that?

"For a mechanic, you seem to do an excessive amount of thinking."
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#4 Old 12-28-2005, 09:01 PM
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Re: Any Horsepower gains from Ram Air Hoods?

Be careful in the rain. The water will go straight from that hood, through the filter, and into your intake. Not a good combo.

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#5 Old 12-28-2005, 09:03 PM
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Re: Any Horsepower gains from Ram Air Hoods?

DAno? from the pics posted, theyve done a good job of water managment. Id still use an oiled cotton element to be sure, if I was to use this hood, but I wouldnt, an SRT-8 hood will be just fine.
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#6 Old 12-28-2005, 09:47 PM
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Re: Any Horsepower gains from Ram Air Hoods?

With RAM AIR you might notice a slight increase in HP as a result of the air entering from outside the hood but not much. The RAM AIR effect is directly influenced by the size of the scoup and where it's located. The design of the SRT8 hood will likely give you little RAM AIR untill over 80MPH but nothing at lower speeds. (or maybe a hinderance) With the scoup low and on the front 1/3 of the hood the air has to overcome the updraft of the front of the car before it can be caught in the scoup. Forward of, or above the updraft is very effective. A reverse induction at the windshield may give you better flow at all speeds due to the low pressure area at the hood edge but you have to depend on the engines ability to breath to get any benefit. The best location for a scoup, to get RAM AIR would be in the grille or in the lower openings of the front cover

Hood scoups are agressive looking and COOL...
Mid hood is better Rear induction is even better...
Where were the old MOPAR's FORD's GTO's and Chevelle air intakes ??
Look at the 72 Pontiacs and GSX Buicks, their scoups were on the front edge.

Innercooled COMPRESSION is killer....

NOx beats it all.... (STEALTH)

If you want to get a significant RAM AIR on the top of the hood it would'nt look cool... (IMO)

Last edited by HEMIDON; 12-28-2005 at 09:55 PM.
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