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Unread 06-30-2013, 09:28 PM   #1
smurfinjeep
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1991 XJ Cherokee 
 
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cold air intake woes..

Ive searched Google for a direct fit cold air intake and not happy. Anyone know of a banks intake for a 97 Cherokee xj? Or if mopar makes one?? I have a knn off my old jeep but the sticker is gone. Ca smog regs requires the sticker. So I'm looking for a new one. Any help??

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Unread 06-30-2013, 09:31 PM   #2
Puck81
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Take it off, put on the factory air box, smog it, put the ****ty K&N back on. When is the last time a cop popped the hood on a jeep foe illegal mods?
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Unread 07-01-2013, 12:58 AM   #3
gst
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Look at the intake hole on a stock air cleaner box. Find a leaf blower at the good will or somewhere. Cut the end off the leaf blower tube so it fits inside of the air cleaner opening. Cut out the fiberglass header so the tube will protrude through it into the area behind the headlight. Seal the gaps with some foam. Relocate intake air temp sender from the intake manifold to the lid of the air cleaner box and enjoy your new found power.
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Unread 07-01-2013, 04:36 AM   #4
TheBoogieman
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CAI is a waste of money and K&N filters are the absolute worst for letting dirt pass through.
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Unread 07-02-2013, 09:20 AM   #5
smurfinjeep
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Am I chasing a ghost with either of those companies? Do they not make an intake for xj's? My newer jeep didn't have a stock air box when I got it, just an oakey filter. So I used my old knn. Definitely want rid of it. It just seems to attract dirt rather than block it. Anyone with better help?
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Unread 07-02-2013, 09:32 AM   #6
S8NNG8
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On the subject of the wiper cowl intake, if you remove the airbox, where do you put the filter?
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Unread 07-02-2013, 11:07 AM   #7
biffgnar
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Quote:
Originally Posted by S8NNG8 View Post
On the subject of the wiper cowl intake, if you remove the airbox, where do you put the filter?
There have been options where the filter goes in the cowl, but most will have a box at the firewall under the hood with just the intake extending into the cowl. For a commercially available option look at Spectre. Home brew options using Windstar (what I used on my TJ) or Mustang boxes have been written up many times and are much cheaper than Spectre.
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Unread 07-02-2013, 08:50 PM   #8
Kevin108
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Quote:
Originally Posted by gst View Post
Relocate intake air temp sender from the intake manifold to the lid of the air cleaner box
I know you were kidding around with your post but I tried this mod with a 2nd IAT from another engine and I had a high idle with it installed this way. I have a cowl intake so it was definitely getting cooler air. I swapped it back to the stock unit but it's still not something I've ruled out.
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Unread 07-03-2013, 06:18 AM   #9
mschi772
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There is also a cowl intake by Thor. Spectre, Thor, or homemade are the only ways to go for true cold air in my opinion. All those other K&N (garbage filtration!) and similar "CAI"/fipk kits are also a waste of money. They're not cold air intakes--they breathe hot engine bay air just like stock and probably more so because stock is at least close to and pointed at the back of the headlight/grill.
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Unread 07-03-2013, 10:23 PM   #10
gst
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Quote:
Originally Posted by Kevin108 View Post
I know you were kidding around with your post but I tried this mod with a 2nd IAT from another engine and I had a high idle with it installed this way. I have a cowl intake so it was definitely getting cooler air. I swapped it back to the stock unit but it's still not something I've ruled out.
Actually no, I wasn't kidding. The CIA and IAT mods are on my Jeep and added quite a bit of power. If you had a high idle the IAT sensor was bad or you may have had a bad connection. The computer thought it was really cold outside and bumped the idle up. Use a scanner that reads data to see what the sender is telling the computer. There are MaxScan scanners on ebay the give the data stream. Look for MaxScan GS500, around $70.
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Unread 07-04-2013, 06:44 AM   #11
Kevin108
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I have a ScanGauge II coming in the next few days. I'll follow up with you once it's hooked up. Some of my reading suggested you can turn the element in the IAT to adjust for a high idle but I didn't explore that far.
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Unread 07-04-2013, 06:18 PM   #12
buckshot500
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I did this mod, & like it alot.

My worries about water drowning the filter in heavy rains were unfounded. Just make sure the filter is up off the floor of the cowl void a little bit.

It is a bit noisier, but it doesn't bother me. Kind of sounds like an outboard boat motor is inside the cowl.

http://www.ericsxj.com/intake/intake.htm
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Well after I drained the oil, I ran water through the engine to clean out the gunk. (the guy who owned before me obvioulsy didn't know how to maintain the engine).

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Unread 07-05-2013, 06:44 AM   #13
Kevin108
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I did a variation that maintained the factory air box. http://www.jeepforum.com/forum/f177/...ml#post8798249

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Unread 07-07-2013, 03:52 PM   #14
1999xjguy
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Quote:
Originally Posted by gst View Post
Look at the intake hole on a stock air cleaner box. Find a leaf blower at the good will or somewhere. Cut the end off the leaf blower tube so it fits inside of the air cleaner opening. Cut out the fiberglass header so the tube will protrude through it into the area behind the headlight. Seal the gaps with some foam. Relocate intake air temp sender from the intake manifold to the lid of the air cleaner box and enjoy your new found power.
Do you have a picture of this done? Sorry I just bought an XJ last week to work on with my son and funds are limited and he wants a cold air intake. Thanks
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Unread 07-08-2013, 04:41 AM   #15
Kevin108
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My version above was $20.
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