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Old 09-12-2003, 04:50 AM   #1
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Question Ram air

Ok, I've got a dumb question. I've done a search and come up dry. I understand the concept of a ram air hood. Air from outside of engine compartment (colder) + more air = better performance. But, I see people all the time that are worried about water ingestion with CAI's. Wouldn't this be a HUGE problem with a ram air set up.


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Old 09-12-2003, 10:09 AM   #2
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Just like a cold air intake, you need a way to keep water out. A lot of people, including myself, have had ideas to make this possible. If you have an opportunity, look at the intake on a true ram air intake like a trans-am or a mustang with a "shaker" scoop, and you'll quickly understand it. I think MoFocus bought a ram air hood and was fabricating something for it. Ask him what he did...I'm kinda interested about what he went with also.

There's something in the old forum about his ram air scoop. Do a search for it. If you try anything that you create, you may want to test it with a wet/dry vac and a water hose before you install it on your car and drive in the rain.
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Old 09-12-2003, 11:36 PM   #3
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You know, I've been reading posts on this topic for months. If you go to the Zetec performance old forum intake sticky thread, you'll find your answers. Cold air works for gaining power. Under hood heat or engine compartment heat is almost a nonexistent issue with a ram air setup. Wherever the air is rammed from outside the vehicle does matter, but the bottom line is the air will be cooler. Drawing air from a vent or scoop on the hood will also draw water into the engine compartment. If the ducting is setup to "manage water", ingestion into the engine is not an issue ( as in the Keystone GoodHood and the SLP hood).
Investing in a properly designed ram air hood is expensive...and could easily end up costing close to $1k with painting and an FC or Volant intake. This would be an extravagant expenditure for a bolt on engine...but a very nice extravagant expenditure.
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