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First Post- My Homebrew Intake


 
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jpars
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Joined: 03 Jul 2006

PostPosted: Mon Jul 03, 2006 5:17 pm    Post subject: First Post- My Homebrew Intake Reply with quote

Hi, first post here on JH, looks like a great site.
ive got a 96 cherokee sport, stock suspension, smittybilt front bumper, black soft 8 wheels, 235 wild country TXR Mud Terrains. KC lites when im not lazy anymore and drill holes.

Heres a pic of the rig without any of the goodies on it


i will take a newer updated picture later.

anyways, just thought i would get the home made intake i just made reveiwed.
Id like to think i did a good job, and I also hope it doesnt look too ghetto. I tried really hard to make a clean, good look on it. Im still debating painting the pipe black, but it almost adds a little flavor under the hood and i dont think it looks cheap.

Seat of the pants dyno is up a little 0-3k rpm. seat of the pants flooring it is WAY UP
gained 2 mpg instantly on this.

please let me know what you think and go ahead and bash it if you see something wrong.

any ideas for a heat shield? i have seen dr dynos ...anyone have any others? any pics of cut stock air box used as heat shield?
thanks

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JeepinNH
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Joined: 13 Sep 2005
Location: New Hampshire

PostPosted: Wed Jul 05, 2006 7:21 pm    Post subject: intake Reply with quote

Looks good to me, what did you have to buy?
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Present: 99 Cherokee
Past: 86, 87 Cherokee; 94 Grand Cherokee
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jpars
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Joined: 03 Jul 2006

PostPosted: Thu Jul 06, 2006 5:26 pm    Post subject: Reply with quote

$42 K&N filter,

3/8 inch hose coupler (Free from work)
2.5" PVC Coupling (Free from work)
A few clamps of various sizes (3$, hardware store)
12" X1 " Strip of galvanized metal (4$ hardware store)

First gas mileage test, little over half tank, half highway driving half city
before with half highway half city would get about 165-170
Its sitting at empty with 191 right now, could probably go another 15.
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tomynoks
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Joined: 11 Apr 2006
Location: Mesa, AZ

PostPosted: Sun Jul 16, 2006 10:08 pm    Post subject: Reply with quote

I hope you don't mean you're getting 191 miles on a tank-full of gas??? I have a '99 with an Airaid intake and a throttle body spacer and get between 240 and 280 miles on about 16 gallons.... or 15 -17 MPG. Maybe a throttle body spacer will help. It was getting 13-14 MPG before the switch.
_________________
'99 XJ Sport
AirAid Intake
PowerAid Throttle body spacer
RE6030 3.5"
1" T-case drop
31x10.5x15 BFG AT KO's
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TheBrat97
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Joined: 28 Jul 2006
Location: Dallas, TX

PostPosted: Fri Jul 28, 2006 12:57 pm    Post subject: Reply with quote

That's badass...I'm gunna scrape up 50 bucks and do it myself because my 97 XJ is very thirsty right now...
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arxj
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Joined: 09 Aug 2006
Location: Greenbrier, AR

PostPosted: Sat Aug 12, 2006 12:41 pm    Post subject: Reply with quote

Sweet dude it look pretty good! How much of a power gain did you experence?
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Bucks Owin
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Joined: 12 Aug 2006

PostPosted: Wed Aug 30, 2006 9:13 am    Post subject: Reply with quote

Hmmmm...

Seems some of you are driving 4.0s that are badly out of tune! My '92 with nearly 334K on it pulls down 18 mpg and it needs it's injectors cleaned and fresh plugs! The only mod is a Doug Thorley header and flowmaster muffler....(Oh, and I use synthetic lubricants)

I wonder if my altitude has something to do with this? I'm at 3400 ft....
Of course, driving style counts for a lot!!!

FWIW,

Dennis

PS: I like that K&N setup. Wonder if you could mount it in the stock housing (or fabricate something) with cold air inlet from the grill? Not using hot underhood air would help mileage and HP....


Last edited by Bucks Owin on Thu Aug 31, 2006 9:28 am; edited 1 time in total
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kizer
The Link Meister
The Link Meister


Joined: 02 Jan 2004
Location: Marysville, North of Seattle

PostPosted: Wed Aug 30, 2006 12:31 pm    Post subject: Reply with quote

My 98 is getting around 300miles to the tank. Its a 4.0 Auto.

Its bone stock with 225s, well I hope those are stock and Im not making a fool out myself. Wink
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Stout
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Joined: 11 May 2006
Location: Wendell NC

PostPosted: Wed Aug 30, 2006 6:55 pm    Post subject: Reply with quote

Well that mileage is nice
but I get an awsome 240 miles per tank on 18 gallons. Roughly 13 mpg. Give or takemaybe 1. I do have the towing package, and 31's with 3"lift. K&N filter. My Exhaust is all smashed and bent and that might be what is hogging my mpgs.(I was sarcastic about the awsome 13mpgs) Whatll make your mileage better, without taking off my off road equiptment
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ThePhantum
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Joined: 23 Jan 2004
Location: I knew it...I'm surrounded by Assholes!

PostPosted: Wed Aug 30, 2006 7:04 pm    Post subject: Reply with quote

First thing I would do is tune it up including O2 sensors. I'm running 6" of lift with 33's and all kinds of extra weight/drag (bumper, winch, skids, roof rack with a spare on it, etc., etc.)...I'm getting around 13 MPG with a stock intake and exhaust.
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97 XJ Sport with a bunch of stuff
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Never argue with idiots, they drag you down to their level and beat you with experience
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Bucks Owin
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Joined: 12 Aug 2006

PostPosted: Thu Aug 31, 2006 9:30 am    Post subject: Reply with quote

I think the use of synthetic lubricants might yield a couple mpg....
(Besides giving superior protection)

FWIW,

Dennis Cool
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