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11-17-2001, 09:42 PM | #1 |
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Anyone put the intercooler in front then use the scoupe for Ram air?
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11-17-2001, 09:56 PM | #2 |
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I guess you could do that but the amount of plumbing would be tremendous. Lag would be horrible. Besides, what do you need ram air for if you are running boost?
Eric |
11-17-2001, 10:13 PM | #3 |
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besides being cold air, you'd be compressing compressed air. Maybe get an extra psi or 2.
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11-17-2001, 10:42 PM | #4 |
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If you want a couple more PSI, crank up the boost a bit
Eric |
11-18-2001, 09:36 AM | #5 |
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Ram air only increases psi at high speeds. 100+ mph
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11-18-2001, 10:52 PM | #6 |
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I think ram air would be good.. more air is always a plus for me.
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11-19-2001, 08:05 AM | #7 |
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huh?
This would provide no value whatsoever. The backpressure of the massive piping to the IC, the IC itself, the massive piping back to the turbo and the turbo itself would negate any sort of ram air effect. Like Imprezinator said, turn up the boost a bit.
Kurt |
11-19-2001, 09:11 AM | #8 | |
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Re: huh?
Quote:
To answer the question, yes, there is benefit. That's probably why the WRC car uses both a FMIC and a ram-air intake. Yes, I am fully aware that there is less piping in the WRC car, but a street car is merely experiencing more lag through pressurization delay in the piping. There is little-to-no pressure drop across a smooth bore, constant radius pipe. |
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11-21-2001, 06:14 AM | #9 |
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You'd be better off turning the scoop around so that hot air is sucked OUT of the engine bay by air flowing over the hood. You might get oil and crap on the windscreen though. Regarding Ram air, stick your hand out of the window at 50mph and tell me that a ram duct with the same area isn't going to do any good! My friend has one on his Pulsar GTiR and he reckons it makes a difference. Go to http://www.godzillr.com for more info. Look in the 'GIG today' section and go to the last page.
Last edited by toerag; 11-21-2001 at 06:35 AM. |
11-21-2001, 07:44 AM | #10 |
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It will be great when somebody comes out with vents that really work well with the WRX hood!
Then when you go to front mount intercooler you can still obtain benefits with the scoop and vents combination? GoodFinder |
11-21-2001, 08:03 AM | #11 |
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Learn something.http://www.fortunecity.com/silversto...tech_index.htm
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11-21-2001, 02:09 PM | #12 |
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I'd be surprised if there were any gains from ram air. You won't gain a PSI or two, since we still have a functional wastegate. You may get cold air, but it's just going to be heated up by the turbo. Any extra air to the turbo from a ram air setup is going to be lost in the pressure drop in a front mount intercooler, anyway.
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11-21-2001, 02:25 PM | #13 |
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Why is it so hard to understand that there is a suction vacuum at the inlet of the turbo? If you pressurize this, you will make more power. For example, nissan made a production supercharged, turbocharged engine that placed the supercharger in front of the turbo.
Furthermore, the stock WRX airbox-inlet pipe neck exhibits a 6.3psi pressure drop in itself. If you make it harder for the turbo to get air, it produces less power. If you make it easier, it produces more (roughly). Yes, I am oversimplifying at this point. |
11-21-2001, 06:46 PM | #14 |
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I still think front mount would be better.. bigger area... if your worried about lag set up a fogger system infront of your ic. Cusco has a nice hood with a really nice vent setup.. well not really vents but yea..
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11-21-2001, 07:54 PM | #15 |
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I agree it would be not be worth making the intake get air from the scoop, but the colder the air is in before the turbo, the cooler it will be when it leaves the turbo. The turbo will heat it up less, and I can't remember the exact number, but every 3 degrees is like 1 hp or something like that.
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11-22-2001, 12:17 AM | #16 |
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I think it is silly to go this route, but whatever. My only reason for posting is that "scoupe" is a car from Hyundai. What is on our cars is a scoop.
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11-22-2001, 03:46 AM | #17 |
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good eye there...
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11-22-2001, 06:16 AM | #18 | |
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Quote:
Philip |
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11-22-2001, 09:57 AM | #19 |
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The Aqua picture looks very interesting indeed.
Do you know who might have more information (in English) on this? GoodFinder |
11-22-2001, 10:14 AM | #20 |
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I would like a SCOUPE of ice cream.
I am glad we have people around to point out our misspelling errors. This is an INFORMAL board and misspellings do not get you a lower grade. Especially when they are an accident.:monkey: |
11-22-2001, 10:54 AM | #21 |
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Why is everybody saying that long intercooler piping adds turbo lag? Have you tried it? I have several cars with front moutn intercoolers and I have a lot of friends that got very creative with fmic's and used a LOT of piping. In all cases there was no extra lag, as a matter of fact the performance difference was very, very pronounced because of the cool air from the front.
Alex... |
11-22-2001, 12:10 PM | #22 |
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Most of them are discussing theory. It will just decrease throttle response, not increase lag, and with the colder air, you wouldn't notice anyway.
Personally, I'd rather top mount some auxiliary coolers. |
11-22-2001, 12:28 PM | #23 |
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good idea
I have to agree with Conduit
Just from a physics stand point, it would have to be a advantage for WRX's with significant mods for power. Bill |
11-22-2001, 12:31 PM | #24 |
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If there is a loss of response etc. why do so many high-performance cars use the system?
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11-22-2001, 04:18 PM | #25 |
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Next week Cobb Tuning will install and tune the FMIC and new turbo for my WRX (going to the APS-Cobb RT Spec Stage 2). So then with the stock intercooler gone, I have some new "real estate" under the hood to work with. I had thought about some auxiliary cooler units up there, but was concerned regarding what if a "leak" of any kind developed, since it will drip (or flow) right onto the top of the engine. Any thoughts? GoodFinder
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