2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Ram air setup

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Old May 3, 2007 | 08:40 PM
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Seph's Avatar
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Ram air setup

Yea I got a T2 hood for my N/A car and was curious if anyone had ever done a Ram air setup with the scoop? Redirecting the airbox and filter to run off the scoop of course. And if so any info on doeing it.
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Old May 3, 2007 | 08:46 PM
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I think it's too far up the hood for a ram air application. If you search the 'net for images of fuel-injected ram air cars, most of the scoops are near the leading edge of the car.
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Old May 4, 2007 | 12:13 AM
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Originally Posted by Seph
Yea I got a T2 hood for my N/A car and was curious if anyone had ever done a Ram air setup with the scoop? Redirecting the airbox and filter to run off the scoop of course. And if so any info on doeing it.
Yes, the scoop can be modified to supply ram air to the engine. The downside is that the factory scoop is not of the proper shape or size to pressurize the air. Also, as mentioned by $100T2, the stock scoop is located in an area of low pressure when the vehicle is at speed. Therefore, the ram air scoop would yield absolutely no performance increase, but the engine would still run just fine so it wouldn't hurt anything. I don't see any reason why it would be worth the trouble, but to each his own.

Originally Posted by $100T2
If you search the 'net for images of fuel-injected ram air cars, most of the scoops are near the leading edge of the car.
Most "ram air" scoops do not increase air pressure. In fact, I have never seen a stock intake that is designed to actually create a pressure rise. I would imagine it is because car manufacturers don't want to encourage their customers to drive at the 150-200mph speeds at which a ram air pressurization system would begin to show any significant gains.
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Old May 4, 2007 | 02:57 PM
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Take a close look at how the piping runs from the turbo to what used to be the TMIC. It is now an air cleaner!

I plan on making one of these to finally get cool air into the engine and utilize what small ram air effect the hood scoop might have.

On a N/A car it might not work, however I have seen what looks like a cowl induction box on the current RX-8 race car from SpeedSource.
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Old May 4, 2007 | 04:53 PM
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Originally Posted by ynkeetratr
utilize what small ram air effect the hood scoop might have
If you mean a supercharging effect, it would not be a small amount, it would be absolutely none, nada, nothing. However, it would pull in ambient air, which is what ricers call "cold air" nowadays, so at least that may make you happy enough to justify all that work and cost.
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