S2000 Under The Hood S2000 Technical and Mechanical discussions.

DIY: from AEM CAI to Js/Password JDM CF Intake

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Old Jun 20, 2006 | 11:32 PM
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From: NY/PA/NJ
Thumbs down DIY: from AEM CAI to Js/Password JDM CF Intake

DISCLAIMER: Do this mod under your own will and desire. Don't cry and sue me if you **** your shit up in anyway.

Tools Needed:
- CF J's/Password Intake (w/ ABS for DC2)
- (2) Breather Filters (fits 3/8" - 1/2", 8-12 mm tubes)
- *optional* K&N Titanium filter (model RT-4610)
- electrical tape
- Long nose pliers
- Flathead screwdriver
- Phillips screwdriver


Before:


1) First loosen #1 and #3 with the flathead and use the longnose to loosen up #2.


2) Pull out #2 from the intake tube. Take one of the breather filters and plug it at the end of the tube as shown. The opening of this tube should be big enough for you to clamp it down and secure it like I did.


3) Pull out #1 from the engine block and pull out its other end from the intake tube. You might have to force the breather filter in as shown. I used the longnose to stretch out the breather filter hole by rotating it inside the breather's tube while opening the pliers. I had to test fit it and repeat making the hole bigger. Make sure you push it in far enough that you can clamp it down securely as shown.


4) Using the Phillips screwdriver, loosen up the unit shown from the bottom part of the intake tube.


5) Since you loosened up #3 earlier, now you can wiggle out the intake tube out of its place. Remember, the AEM CAI is also connected to the lower tube in the bottom that goes to the fender well, so you have to loosen that up too. (not shown) Your engine bay should look like this.


*** Here is a picture of the top part of the AEM CAI compared to the Js/Password CF Intake. I chose this intake for several reasons.
a) it reduces/eliminates the risk of hydrolocking compared to the AEM CAI
b) CF bling just like the $1,000 Js Intake
c) overall performance combined with a AUT CF Cooling Plate and heat shield(coming soon)


6) Use a 3" rubber connector (the AEM stock piece fits too) to fit the CF Intake to the throttle body. It most likely resembles the way the K&N intake sits in our engine bay. It should look like this:




7) The next step was to use electrical tape to 'neatly' tape up the #2 tube, the sensor, and one of the cables neatly on one of the radiator hoses. Yea, I KNOW it's freaking ghetto, but if you can suggest a better idea, please SHARE.


8) Remove the 2nd bottom part of the AEM CAI intake system. This is the part that cuts thru the passenger side fender. I found this to be a big pain in the ass since I was too lazy to fully take my fender lining out.

I did it by unscrewing the 3 screws that hold the fender lining that is directly below the intake filter. Once you unscrew them, you should be able to open up the bottom part of the fender lining and see the AEM Intake tube and the filter attached. Next, unscrew the filter from the intake tube and pull out the intake tube from the inside of the engine bay. This will require patience and care since you don't want to damage or scratch up anything else in the engine bay. (I was pissed off and in a hurry at this point, so Im sorry if I have no pictures up on this step)

To remove the intake filter that is stuck inside the fender well, you have to yank it and force it out that small space you created by unscrewing those 3 screws. Again, sorry if I have no pictures, but trust me - it will fit and come out.


In the end, it should look like shown below. I already ordered the AUT CF Cooling Plate from S2X. When that plate comes in, I'll update this thread and show how the whole system looks like.


************************************************** **************

At this section, I'll address some of the FAQs that I know will come from members.

1) How much did it all cost?
Here is a bunch of websites that I compiled for those who might be too lazy to Google or research this up:

Js/Password CF Intake (for DC2 w/ ABS):
$271 Link1
$199 Link2
$180 Link3

Breather Filters:
brand: SPECTRE
model: 3992
$10 each at PepBoys

K&N Filter:
check HERE
*just make sure the FA (Flange Inside Dia.) is 4.5"*

2) How long was the install?
It took me 15 minutes to take out the upper portion of the CAI and install the new intake. The bottom portion of the CAI removal took me about 30 minutes since I kept getting pissed off at how I was going to figure out on how to remove the filter from the fender well.

3) Gains?
* other than this, my other mod is the T1R Sparrow exhaust. *
It feels stronger compared to running with the AEM CAI. It gave me a quicker throttle response. I feel a stronger lower, mid, and high RPM pull. VTEC crossover sounds meaner and louder than ever. This also eliminated that 'lag' that I seem to feel with the AEM CAI from a dead stop acceleration.

4) What about heat soak?
Yes, I am very well aware of the potential heat soak that my system currently face. To fix it, I have ordered the AUT Cooling Plate to direct some of the cold air coming from the front of the bumper into the filter area of the intake. I am also in talks with Andy aka S2KNJ on getting his stock airbox and fabricating it to house the filter area much like the way the K&N housing covers its intake filter.

5) Was your MPG affected?
It definitely increased. My previous best was 285 miles in 11 gallons. (26 mpg with the AEM CAI)
With this new setup, I recently travelled 322.2 miles in 11.1 gallons. (29 mpg)
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Old Jun 20, 2006 | 11:35 PM
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Enclose it somehow like the K&N FIPK and you have a winner.
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Old Jun 20, 2006 | 11:38 PM
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Pretty creative. I like how we're getting a bunch of DIY's lately.
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Old Jun 20, 2006 | 11:40 PM
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Using a intake for a B series...that is pretty creative I suppose. But the part where the intake connects to the TB is kinda small.
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Old Jun 21, 2006 | 12:07 AM
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Originally Posted by Shadow_S2K,Jun 21 2006, 02:40 AM
Using a intake for a B series...that is pretty creative I suppose. But the part where the intake connects to the TB is kinda small.
the AEM CAI for our s2k is 3" in diameter. it is the same diameter used on the Js/PasswordJDM intake in terms of where the TB meets the intake. it just looks small because the mid part of the intake is so huge.

Originally Posted by mugenrsx
Pretty creative. I like how we're getting a bunch of DIY's lately.
i know what you mean. hopefully my DIY will inspire even more creative ideas from other members

Originally Posted by SpeedxRacer
Enclose it somehow like the K&N FIPK and you have a winner.
im thinkin, im thinkin
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Old Jun 21, 2006 | 12:15 AM
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Not bad at all... Always original.
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Old Jun 21, 2006 | 12:17 AM
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very very interesting, how was the sound compared to the cai?
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Old Jun 21, 2006 | 12:19 AM
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Also it seems like that intake would have alot of movement while driving. That could possible not be good?
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Old Jun 21, 2006 | 12:40 AM
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dammmn it i should of kept my J's intake from my civic

thats a preyt good idea haha good job!!!

buyin a dc2 j's intake is a hell of a lot cheaper then buy a s2k 1 too haha
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Old Jun 21, 2006 | 06:01 AM
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Originally Posted by B18C5-Eg6
dammmn it i should of kept my J's intake from my civic

thats a preyt good idea haha good job!!!

buyin a dc2 j's intake is a hell of a lot cheaper then buy a s2k 1 too haha
that's exactly why i chose to buy this intake


Originally Posted by Shadow_S2K
Also it seems like that intake would have alot of movement
while driving. That could possible not be good?
actually, there isnt much movement at all. i made sure that the intake rests snug and fitted on the rubber that connects to the throttle body. i clamped it down with enough force that you'd really purposely would have to move the intake back and forth in order for it to move. when i ripped it last night, i heard no rattling noise that would come from the intake vibrating or hitting the hood because of movement.


Originally Posted by 1fastminivan
very very interesting, how was the sound compared to the cai?
there is no more whistling at certain rpms compared to the CAI. it has a louder and more aggressive sound compared to the AEM CAI intake.

Originally Posted by energetic
Not bad at all... Always original.
thanks.

and oh yeah, anyone got any opinions/suggestions on an alternative on how I used electric tape to secure the air pump tube and sensor onto the radiator tube? i was thinking of using zip ties, but i have a feeling it'll still get loose and move around. any ideas would be appreciated.
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