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Old 03-20-2011, 01:10 PM
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Couple 3.7L intake questions

First off just want to say hello as I'm new to the boards. Picked up an '08 WK 3.7L just yesterday and am already looking to dump money into it (always seems to be the case w/ any vehicle ). This makes it the 4th Jeep I've owned, but the first one I'm actually interested in modding. Will be driving out to Montana (from Michigan) this September, then will be driving down through WY, UT, and CO for most of October -- as a result, I'm hoping to do what I can now to help out w/ improving gas mileage and figure a CAI is the place to start...

From what I can tell, it looks like CAI's for the 3.7 are pretty limited in number w/ K&N and Airaid being the forerunners.

Looking at Airaid's website it doesn't show any intakes for '08 and up... 310-205/311-205 are only listed for '05 - '07. Anybody have any idea if the 311 would fit on my '08 3.7L??

Don't want to beat a dead horse, but I've read on a few different forums about K&N vs. Airaid (not specific to WK's though), and people seem to be recommending the Airaid over the K&N, but nobody says exactly why. Can anyone comment??

Thanks for the help!
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Old 03-20-2011, 05:03 PM
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Re: Couple 3.7L intake questions

I tried going thru Airaid and even called them to see if it would fit. The guy told me that there were different dimensions in the hood that might cause problems. I dont know if this is true or not so I didn't risk and instead went with K&N
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Old 03-20-2011, 05:16 PM
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Re: Couple 3.7L intake questions

you could always make your own! i did, let me find a pic for you

EDIT: its not a true CAI, because i didnt have another elbow haha but here it is!

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Old 03-21-2011, 10:19 AM
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Re: Couple 3.7L intake questions

GD,

Do you think you could take a pic of the underside of your hood for me? I want to compare it to mine and see if what Airaid told JeepKid is true and that there are in fact changes in the hood.

I've been playing around with the idea of building my own, but being away at grad school w/o a suitable place to work/tinker, it's much easier to just buy something pre-fabbed and slap it on.

Curious as to where you bought the parts for your intake though -- looks much nicer than what I'd expect a homemade intake to look like

If I can't see any visual changes in the underside of the hood, I figure I'll just find a vendor that has a good return policy and pull the trigger and see what happens

Thanks
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Old 03-21-2011, 11:11 AM
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I'll try to tonight, but I thought the only difference between 05-07 and 08-10 was the electronic throttle body
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Old 03-21-2011, 08:53 PM
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Re: Couple 3.7L intake questions

Thanks -- no big rush so take your time

That's what I was thinking... maybe the Airaid guy got it wrong? I'd assume both TB's have the same mounting pattern/dimensions, but will have to check
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Old 03-21-2011, 08:57 PM
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Re: Couple 3.7L intake questions

For the CAI, some people on the Forum have purchased an Intake Tube from a Liberty. DO a quick search, you'll find something!
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Old 03-21-2011, 09:01 PM
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Sucky pic, will try to get a better one in the AM
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Old 03-21-2011, 09:31 PM
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Re: Couple 3.7L intake questions

Quote:
Originally Posted by Chaoul1 View Post
For the CAI, some people on the Forum have purchased an Intake Tube from a Liberty. DO a quick search, you'll find something!
Saw that thread -- not a huge fan of the accordion tubing Also saw where someone used an Airaid tube from a 92 Dakota, and while I like the looks of it, I don't want to have to buy another piece to make it work (especially at $100). Fingers crossed that an '07 kit will work on my '08 and I can be done w/ it
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Old 03-21-2011, 09:35 PM
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Re: Couple 3.7L intake questions

i had the same q's as you when i bought my 08 in 08 and was a little disappointed. i went with a k+n 63 series and also another thing you can do is get rid of your air resonator.

you could go with a ported TB by flying ryan(a vendor here) or go with fastman as well.
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Old 03-21-2011, 09:42 PM
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Re: Couple 3.7L intake questions

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Originally Posted by B.P.O.D View Post
i had the same q's as you when i bought my 08 in 08 and was a little disappointed. i went with a k+n 63 series and also another thing you can do is get rid of your air resonator.

you could go with a ported TB by flying ryan(a vendor here) or go with fastman as well.
Plans are to get rid of the resonator, but the issue is fabbing something to go between the 63 series and the TB.

And a FRP TB is already on the list to buy -- just waiting to hear back from him with current prices (found a few somewhat dated posts and just want to be sure). He does core exchanges so I don't have any downtime, correct?
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Old 03-21-2011, 09:52 PM
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Re: Couple 3.7L intake questions

ahhhh i have the writeup for you already bud

Air Resonator Delete mod for 3.7!!!!

its a liberty tube
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can you beat me in a fight??? http://dreamps.mybrute.com
member of Black, Tri-State, 6 cylinder club 08 Brilliant Black Laredo (JG 3.7L Squad)- k+n 63-1545,magnaflow 10436,mygig(ren), HID's 6k lows, 6k+3k fogs,dual turn leds,led brows,v-led interior leds, cargo led strip, reverse hids, 92 led brake lights, tinted tails,custom powder coated mesh grill, srt sways, 15% tinted windows,illuminated visors,shorty antenna, HH Class III, cargo liner, thule snowboard rack,kayak rack, bike rack

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My 1-step correction writeup

How To - LED BROW

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