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Old 12-03-2000, 05:23 PM   #1
AndresRS01
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Post Just wanted to share it with you guys...

These are some pics of my 3rd generation Cold air Intake......




Thanks to Sabrelion, great Pictures!!
Andres

[This message has been edited by AndresRS01 (edited December 03, 2000).]
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Old 12-03-2000, 05:31 PM   #2
RidinLow
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Looks good, that's what I wanna do with my JC intake. What kinda filter is on the end of that tube?
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Old 12-03-2000, 05:34 PM   #3
gasser
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Question

how does your air get filtered??
I think I'm going to do some thing like that too.
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Old 12-03-2000, 05:46 PM   #4
AndresRS01
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There is a cone air filter down inside the fender, I also modified de vent under the right fog light as a ram air...works great...some Colombian technology
Sorry couldn't get the picture right

Andres


[This message has been edited by AndresRS01 (edited December 03, 2000).]

[This message has been edited by AndresRS01 (edited December 03, 2000).]

[This message has been edited by AndresRS01 (edited December 03, 2000).]

[This message has been edited by AndresRS01 (edited December 03, 2000).]
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Old 12-03-2000, 05:48 PM   #5
Kewjoe
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Thats a clean engine.. wow.. good job man!
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Old 12-03-2000, 06:24 PM   #6
garface
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does it rattle?
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Old 12-03-2000, 07:08 PM   #7
suby ej25
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looks good....keep it up
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Old 12-03-2000, 07:33 PM   #8
AndresRS01
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It doesn't rattle, sounds great, you should see the rpms going up in 5th gear, also the"U" pipe section close to the throttle body is cold all the time.
I may start building them up if enough people get interested , red, chrome or blue.

Andres
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Old 12-03-2000, 07:38 PM   #9
JC
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That's beautiful man. How much?
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Old 12-03-2000, 07:41 PM   #10
AndresRS01
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I have to check some numbers...including the cone filter and instructions for the ram air..
Andres
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Old 12-03-2000, 07:49 PM   #11
Sanctum
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Wink

Great looking intake. Also, If my eye's are seeing that second picture correctly.....someone has a clean Contour SVT in the background (my current vehicle ). Just wondering, have you run any OBD-II computer scan's to compare the stock v/s the new intakes IAT ? I'm sure it's cooler, but was wondering by how much.

Good work,
Brian
http://www.sanctum-net.com/car
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Old 12-03-2000, 07:58 PM   #12
AndresRS01
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The pictures were taken this morning at the Autocross in Houston, yes that was an SVT, nice!.
I haven't tested anything beside my butt dyno and feels like at least 5HP

Also ran 15.4 seconds the quarter mile at 88 miles/h friday...but I'm not the best driver

Andres

[This message has been edited by AndresRS01 (edited December 03, 2000).]

[This message has been edited by AndresRS01 (edited December 03, 2000).]
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Old 12-03-2000, 07:59 PM   #13
Damon
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good-nes! that looks great!
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Old 12-03-2000, 08:07 PM   #14
Rick G
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Would'nt the scoop be a better source of cold (ram) air.


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Old 12-03-2000, 08:12 PM   #15
ChAi
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nice intake even nicer engin its' so clean. i think you need to go off road some time
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Old 12-03-2000, 08:12 PM   #16
wrxer
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Talking

man that i s so sweet looking
nice job
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Old 12-03-2000, 08:13 PM   #17
AndresRS01
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Rick:
That if you have the air filter right at the throttle body but then I found two things with this one: heat coming from the engine at the bottom of the filter(the one at the throttle body) and I get better immediate response to the gas pedal with my ram air cai..Also the faster I go, the faster it pulls!!


Andres

[This message has been edited by AndresRS01 (edited December 03, 2000).]

[This message has been edited by AndresRS01 (edited December 03, 2000).]
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Old 12-03-2000, 08:21 PM   #18
Rick G
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So maybe i should get some tubing?Have you had a filter mounted directly on TB?Yeah like i do.
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Old 12-03-2000, 08:30 PM   #19
AndresRS01
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I had one but I didn't like it that much compare to this last one, of course it was a lot cheaper!
Andres
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Old 12-03-2000, 08:47 PM   #20
White01
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Can I get one in blue?? That looks great!! Great color scheme. Any idea of the hp gain?
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Old 12-03-2000, 08:50 PM   #21
White01
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Also what kind of cone filter do u use? Which would do the best job??
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Old 12-03-2000, 08:52 PM   #22
RidinLow
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Ok, I have a JC intake at the moment. Would it be possible for you to tell me exactly what parts I need to modify it to be like your setup? Either that or I would buy the stuff off you if the price was right.
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Old 12-03-2000, 08:59 PM   #23
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Would that entire intake setup fit in a 93 1.8L? Or is it just for the RS.
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Old 12-03-2000, 11:42 PM   #24
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Post

Hmmm... That is similar an intake were are planning - the problem is it's a pain in the rear to get to the filter. Also, losing the air plenum at the throttle body loses low end power with this setup. JC Sports even played with this and says it costs them an extra $15 to make their like this...

So, we are planning a bunch of things, like making a new rear section of the stock airbox out of fiberglass for a 3" intake, or like using a pipe with built in plenum and an inline air filter that can be accessed from within the engine compartment. It will be interesting when we get them up to boulder for dyno testing in a few weeks.

Looks nice. And a 15.4/88 says it Performs nice too. Spunky also ran a 15.4 with a "Larry's cold air intake" and NO other mods, and stripping the car of 250lbs of stuff dropped his times to 15.08 (before his UD pulley, and still stock everything else). Many of us have noticed the same thing, that using the CAI into the inner fender (even without the hose to the front vent) makes more power the faster you go. So dyno testing might now show the real gains. Good job on it though.

Larry www.ImprezaRS.com
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Old 12-04-2000, 12:06 AM   #25
8Complex

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Post

Actually from my personal experience of testing, this type of intake is horrible for those that want any low-end power or throttle response at all.

The long tube creates a long way for the air to get sucked through versus a plenum, which acts as a resivouir of air. You see, if you suck air through a tube, you have to apply vacuum at the same rate throughout the tube. If you have a plenum in your design, you can apply a vacuum to the plenum more slowly then the tube, which creates the NEED for the air to be sucked through the tube less urgent.

Now Larry's design does this, and it's not a bad design (I ran one like it myself for a while quite a bit before Larry created his intake), but it lacks in airflow and cool air supply. There is only so much that can come through that little vent, and it's not very aerodynamic inside that fender. The intake turns to the engine compartment through the holes in the fenderwall there to get more of the air it needs. If you try to isolate the intake tube inside the fender, sealing it off from the engine comartment, you will be ok until the high end (above 4000-4500rpm) at WOT, and the car will not be able to suck enough air through causing it to choke and lose power.

I personally have found that the most effecient source of cold air is from the hood scoop, and can even be sealed off to make it ram-air (though this will only bring pressure at something nuts like 90+mph and won't do much good other then getting the coldest air possible. The trouble here is seperation from atmosphere since you get a lot of water, dirt, and other misc. garbage out of the air easily.

Strictly for illustration purposes, here is a page explaining my intake so you can see my current setup. It is not sealed, but nonetheless, it keeps up with most other Imprezas out there with 1-3 power mods (other then turbos, that is ).

NOTE: I am NOT selling this intake so don't think I'm pushing it. This is purely factual information that I have derived from my own testing. Ask anyone in the area how many intakes I've gone through... they're sure to answer 3-4 at least.

If you are interested in doing the same, and yes I run mine in the rain just fine though I do have to change the filter every 3k miles or so, get yourself a piece of 2.5" ID silicon hose shaped in a 90 bend. You should be able to manipulate the throttle body side of the box onto one end and stretch the other over the throttle body inlet. Replacing the vacuum tubes that go to the box are a must if you plan on leaving it this way (going on 5-6 months now myself, I think) since they don't reach otherwise.

*COUGH* Sorry, I had to get this off my chest. It's been bugging me lately how everyone is bowing down to this type of design when it too has it's flaws that noone seems to mention. No offense intended to anyone.
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