custom homemade intake - Performance Forum

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custom homemade intake
Monday, April 04, 2005 12:33 PM
ok so i searched on this subject and didnt find what i wanted. I am going to have an exhaust shop bend me a piece of pipe for it. what i want to know is how big would the pipe have to be to fit over the throttle body and what did other people do with the hose that goes from the valve cover into the box that says 2200 on it. thanks




I once thounght about exercising but then I laid down until the thought went away

Re: custom homemade intake
Monday, April 04, 2005 4:22 PM
I used 2" abs pipe and a rubber coupling to clamp it to throttle body. K&N in the fender
Re: custom homemade intake
Tuesday, April 05, 2005 7:09 AM
what about the rubber tubing going into the box from the vaalve cover





I once thounght about exercising but then I laid down until the thought went away
Re: custom homemade intake
Tuesday, April 05, 2005 7:43 AM
You will need a port on your intake tube or you could by a APC little tiny filter to put over the spot where the port is on the head.



Re: custom homemade intake
Tuesday, April 05, 2005 10:29 AM
Quote:

I used 2" abs pipe

What? 3" is much better

I have also made my own custom intake

$30 civic intake (with the little place to hook up PCV hose) and a 3" 90 degree elbow



'99 2200 LS CX1 Sport
Re: custom homemade intake
Tuesday, April 05, 2005 12:35 PM
Ok ill make a 3"
Re: custom homemade intake
Tuesday, April 05, 2005 5:44 PM
heres mine 2.5" inch j-bend mandrel bent pipe from kegs 16$, rubber gaskets/boots 18$, green air filter 36$, wasting civics priceless....





Re: custom homemade intake
Wednesday, April 06, 2005 7:14 AM
Pushrods & Nitrous! wrote:
Quote:

I used 2" abs pipe

What? 3" is much better

I have also made my own custom intake

$30 civic intake (with the little place to hook up PCV hose) and a 3" 90 degree elbow


So i can just get a civic intake with a 90 degree elbow and i will be set




I once thounght about exercising but then I laid down until the thought went away
Re: custom homemade intake
Wednesday, April 06, 2005 10:55 AM
basically yes, it takes a little bit of custom fitting of course like sometype of method to cut the pipe shorter and drill a hole in in for the IAT sensor, oh and some rubber or silcon connectors and hose clamps



'99 2200 LS CX1 Sport
Re: custom homemade intake
Wednesday, April 06, 2005 3:20 PM
hmmm, that's cool. I made mine with some dryer hose, foam insulation, clamps, hose adaptor, zip-ties, and a dremel job for the box. Took about two hours and made a decent difference for $25. That is, if you already have a dremel. I'm sure a hunting knife would work just as well. The cool thing about this intake was that no one could notice it..


I'll have a sig someday....................
Re: custom homemade intake
Wednesday, April 06, 2005 3:22 PM
the exhaust shop made me a custom 3" for $20 i just put my k&n on the end of it and it works just as good as my aem did

Re: custom homemade intake
Thursday, April 07, 2005 7:10 AM
Peppers z24 wrote:the exhaust shop made me a custom 3" for $20 i just put my k&n on the end of it and it works just as good as my aem did



thats what i was thinking about doing until i saw the civic intake thing





I once thounght about exercising but then I laid down until the thought went away
Re: custom homemade intake
Thursday, April 07, 2005 9:38 AM
anyone know what size rubber grommet to use and what size hole to drill for the IAT sensor? I have been looking, but have not really been able to find what I am looking for.




-da chinchilla

<img src="http://registry.gmenthusiast.com/images/jiggamon/avatar15569_2.gif">
Re: custom homemade intake
Thursday, April 07, 2005 10:30 AM
When I did mine I was lucky enough to find a grommet that fit perfect, inside diameter of 1/2 inch and outside diameter of 3/4 inch so thats the size hole I drilled. Basically any grommet with an inside diameter of 1/2 inch will work you just have to mic the outside to figure out how big of a hole to drill



'99 2200 LS CX1 Sport
Re: custom homemade intake
Thursday, April 07, 2005 10:32 AM
Thanks...

3/4" is a huge drill bit for me...biggest I have is 9/16". Damn...those are expensive bits just for a sensor.




-da chinchilla

<img src="http://registry.gmenthusiast.com/images/jiggamon/avatar15569_2.gif">
Re: custom homemade intake
Thursday, April 07, 2005 10:36 AM
Pushrods & Nitrous! wrote:
Quote:

I used 2" abs pipe

What? 3" is much better

I have also made my own custom intake

$30 civic intake (with the little place to hook up PCV hose) and a 3" 90 degree elbow


One problem with this setup is its no where near a cold air intake, its sucking hot air right off the radiator hose, which will kill any performance gain from the intake.

Looks good, just need to get the filter closer to the shock tower, or better yet inside the fender where it can get some good cold air from outside the engine bay.



Heres a pic of my setup, i bougfht a front mount cold air kit off ebay for a prelude i believe it was, and then i tried to fit the box up front but no room, and i didnt want to cut op my bumper to make it fit, so i just removed everything from the stock intake system, and started test fitting adn cutting where i needed, and ended up with what you see here, it was next to the shock tower for along while, until i redid it to go inside the fender.


I have since replaced the clamps and connectors with higher quality pieces but it looks the same.


Mike

1992 GMC Sonoma GT #492. Oh, Its just a stock V6!

1999 Cavalier Coupe, daily driver, 2200/M5. Mods and pics are in my registry.

Fully built turbo 2200 in progress, should be installed very soon. Will post details as they happen.
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Re: custom homemade intake
Thursday, April 07, 2005 10:52 AM
All he would have to do is rotate the pipe, and the filter will lift up and be over closer to the fender instead on top of the radiator pipe.

Mike, I like your little cold air intake there. Pretty "cool".




-da chinchilla

<img src="http://registry.gmenthusiast.com/images/jiggamon/avatar15569_2.gif">
Re: custom homemade intake
Thursday, April 07, 2005 10:54 AM
If you look closely there is no battery holding the filter up against the strut tower, removed for the first step in engine swap



'99 2200 LS CX1 Sport
Re: custom homemade intake
Thursday, April 07, 2005 1:28 PM
so what size is the throttle body so i know what size pipe and rubber fitting to get




I once thounght about exercising but then I laid down until the thought went away
Re: custom homemade intake
Thursday, April 07, 2005 1:49 PM
sorry for stealing the post but i have a similar question. I have a sunfire gt and was going to customize my friends cold air intake out of his mustang 5.0. the angles look about right but there will need to be some modification. the thing is i am just going to but connecting it to my air box not right up to the throttle body. Will i get any power gain from this????
Re: custom homemade intake
Thursday, April 07, 2005 2:51 PM
PatBoone: Anything is better than the ribbed rubber S tube, however for max velocity into the throttle body, you should pipe it directly to the throttle body.

purplecavy2.2: I am 90% sure the throttle body is 2.75" Just take a ruler and measure it to be sure.



-da chinchilla

<img src="http://registry.gmenthusiast.com/images/jiggamon/avatar15569_2.gif">

Re: custom homemade intake
Thursday, April 07, 2005 3:54 PM
The throttle body opening is 3"



'99 2200 LS CX1 Sport
Re: custom homemade intake
Thursday, April 07, 2005 4:23 PM
2 3/4 (2.75) is closer i have a 3" elbow there and when you push it on it is loose and you really have to clamp it down.



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