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Old 06-14-2007, 12:45 PM   #1
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Anyone make their own air intake?

Just wondering if anyone has made their own "stage II" intake system? out of pvc pipe or something of the sort. I just dont think its worth the $200+ when you can make one for a 1/4th of the price.

If so could you post up some measurements, and possibly post a pic or two?


Thanks,
Neil

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Old 06-14-2007, 01:46 PM   #2
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not sure what you mean by stage ii, but i am working on an intake now for my tj. it might be a week or two before i am done, hit me up then and i will send some pics and stuff

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Old 06-14-2007, 02:30 PM   #3
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Triple88 made his own for his TJ... but I think the YJ setup is more like an XJ. Airbox is on the driverside fender right?
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Old 06-14-2007, 07:44 PM   #4
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Quote:
Originally Posted by RedWrangX View Post
not sure what you mean by stage ii, but i am working on an intake now for my tj. it might be a week or two before i am done, hit me up then and i will send some pics and stuff
StageII, meaning something like a cold air intake.
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Old 06-15-2007, 12:58 PM   #5
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I'm working on a new methane injection system.... The system is relatively simple but I haven't worked out how to convinvce the passengers to hook up.
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Old 06-15-2007, 01:24 PM   #6
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hows this? i think i might actually do the same thing... seems easy enough...

http://www.v6z24.com/howto/cai
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Old 06-15-2007, 02:02 PM   #7
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The theory is if you can scavenge colder (non-engine bay air) into the motor you will have better efficiency which gives you more HP. Basically, cold air is denser than warm air and when it gets into your engine it expands giving you more power.

If you ever climbed into your buddy's carburated - ram air classic hot rod on a cold October morning, you can really feel the difference in power gains vs. the summer morning. I have a '71 Torino GT and I can tell you, it's a fact. Engines love cold air....but not too cold.

The practice is very simple, suck the air from a location in front of the vehicle and you will get a slight increase...most likely a little better gas mileage (perhaps a mile or two). You can do this very inexpensively with a dryer hose and some duct tape. K&N has a nicer looking setup but it's not worth the cash - IMO.

Now if you could somehow runs refrigerant lines through a coil and have the air pass through the coil, now that would be an interesting setup to test.

I'm still going to keep working on the methane injection.
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Old 06-15-2007, 02:52 PM   #8
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Quote:
Originally Posted by JustGotAJeep! View Post
hows this? i think i might actually do the same thing... seems easy enough...

http://www.v6z24.com/howto/cai

Well, when you go through deep water.........:chair:
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Old 06-15-2007, 02:55 PM   #9
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Well, when you go through deep water.........:chair:
haha i was thinking about that. maybe you could just mount it higher, like the pre made $300 ones are still in the engine compartment, but with a damn around it so that it doesn't get as much warm air... hmmm have to think about this. im sure it would work, just finding where to mount it is the tricky part.

maybe make a snorkel while im at it...haha no, this is getting too much work for right now. maybe just make it, mount it somewhere, and look at a snorkel for the future...
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Old 06-15-2007, 02:58 PM   #10
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What about making a cowl intake. I have heard pretty good things about those. Its higher up than stock, pulling more outside air than stock, and on the highway you get a little bit more air than stock since its coming down the windshield.

Instructions looked easy enough (dont they always..).
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Old 06-15-2007, 04:41 PM   #11
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Old 06-15-2007, 05:13 PM   #12
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snorkel?:really:
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Old 06-16-2007, 01:36 AM   #13
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Quote:
Originally Posted by tigertrack1600m View Post
snorkel?:really:

Just maybe....... those cost moneys too....
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Old 06-17-2007, 12:23 PM   #14
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Quote:
Originally Posted by AzTJ View Post
Triple88 made his own for his TJ... but I think the YJ setup is more like an XJ. Airbox is on the driverside fender right?
thanks man my setup was around 50 bucks.. ~23 for the filter, 3 for a ft of the pvc, 15ish for the elbow, 5ish for that golden color piece and some more for the small breather pipe and the clamps. Here are some images of my setup (for yj.. check ebay since i've seen good setups floating around pretty low priced)













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Old 06-17-2007, 12:24 PM   #15
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Old 06-17-2007, 07:58 PM   #16
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wow nice and clean
looks amazing
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Old 06-17-2007, 11:53 PM   #17
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Old 06-18-2007, 05:15 AM   #18
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i really like that cold air intake triple88a, but i was wondering, does it still take in warm air because of its location? thanks
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Old 06-18-2007, 09:25 AM   #19
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Quote:
Originally Posted by JustGotAJeep! View Post
i really like that cold air intake triple88a, but i was wondering, does it still take in warm air because of its location? thanks
Yes, its actually taking in warmer air then stock. His setups advantage is the free flowing filter, and larger piping with the soft bend.
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Old 06-18-2007, 12:06 PM   #20
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The 4.0L looks great. Did you do that on a mill? Very clean install.
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Old 06-18-2007, 06:56 PM   #21
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Thanks I'm glad i have the only intake like that lol

I used a dremel tool with few different tools such as dentist round roughing tool, then flat drill shaped end and bunch of polishers and sandpapers...
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Old 06-18-2007, 07:02 PM   #22
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Quote:
Originally Posted by JustGotAJeep! View Post
hows this? i think i might actually do the same thing... seems easy enough...

http://www.v6z24.com/howto/cai
that would be a nice way to drown it in the slightest waters

I'm thinking of installing a custom snorkel.. i'm just confused what about rain.. thats why i havent done anything yet.
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Old 06-28-2007, 07:14 AM   #23
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well if you have a problem with rain your doing something wrong. everyone keeps saying well if you go through deep water you will be in trouble. lets face it there are alot of other things to be worried about when crossing water, rear end breathers, etc. intakes like that are ok if you only plan on building a mild trail rig, a term i made up i think, lol. i am working on an intake myself for my tj, and i actually had a research stage. i have been looking pretty hard about the key "problems" with the stock intake. trip is does look great but you have two problems now, sucking in major hot air and the small elbow to the throttle body. i would recommend taking that elbow off and going to pep boys if there is one near you. they have a 90 degree elbow there thats a 3 inch dia. also pick up a 3 inch to 2 inch coupler. then that big pipe of yours wouldnt be jamming all the new found air into a small elbow. if everyone will be patient i will have pics up of the setup i am building. and if all the data these companies like banks, etc is correct. then my setup should be just as efficient with a third of the cost. but again trip nice, unique.
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Old 06-30-2007, 11:20 PM   #24
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hey

hey triple 88, how many fantas did you drink while you made that intake? it looks great though. i might have to get me some pvc pipe and some fanta and have at it.
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Old 07-01-2007, 02:26 AM   #25
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jgwalt.. honestly possibly more than just those 3 since i took my time and painting that pcv with twin colors was a pain in the behind

RedWrangX... the only problem is the warmer air. That pcv pipe is huge on the outside because it has thick walls. The pcv is 3.5" outside and exactly 3" inside. The elbow it self is also 3" on the inside.. i have measured it so i'm sure. The opening to that elbow is 3.5" ID since as you can see it gets much bigger to fit over the 3.5" OD pvc.
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Old 07-01-2007, 02:34 AM   #26
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that sounded a bit mean.. just explaning so dont take it the wrong way I'm glad you like it though.
Thanks


As the warm air goes i'm still a bit fuzzy about the snorkel part otherwise i would put a "bucket" over that filter and run a pipe out to the roof.
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Old 07-01-2007, 11:32 AM   #27
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Where can I order one of those???? I want one in white+Black letters!

~Lev
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Old 07-01-2007, 01:49 PM   #28
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yeah

no no no i meant it in the nicest way possiblle. sorry if you took it the wrong way..
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Old 07-01-2007, 02:52 PM   #29
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Lev i dug the letters out my self with a dremel tool (reply 21)

jgwalt no hard feelings man i thought you were joking about the fantas my post (#26) was to RedWrangX since in my post (#25) it sounded like i was trying to school him which i really wasnt, i was just explaining stuff he didnt see from the pics.

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