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Hood vents for Cherokees

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Old 08-31-2012, 08:20 AM
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Put this on a month or so ago. Engine runs a tad cooler when cruising. Put some red l.e.d.s under it for the hell of it.
Attached Thumbnails Hood vents for Cherokees-forumrunner_20120831_091747.jpg   Hood vents for Cherokees-forumrunner_20120831_091844.jpg  
Old 08-31-2012, 08:42 AM
  #137  
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Originally Posted by vespa50sp
1) agree
2) a stretch
3) maybe

#2 I threw one of those wireless temp house gauges under my hood before my hood vents and it did go higher than 165 degrees idling around town.

However when I put it inside the air box under the filter it would only run about 10 degrees warmer than the outside air going down the road. I think the underhood temp matter less when it's drawing air going down the road from the front of the jeep. In town you might a little cooler air with the vents, but the intake is still getting heated by the header right under it.

I have a cowl cold air intake now, but it's mostly for water crossings, not because I think I'm picking up more hp.
After installing my vents the engine temp went down on the avg. about 5 deg. under normal driving, slow crawling in traffic or trails does not not creep up that 10-15 it used to. under hood temp avg 40 deg lower at idle and very low speeds, after shut down the underhood temp drops allot faster. Did not see any change in MPGs.
My goal with vents was to try and reduce underhood temps and make all the plastic parts and battery last longer.
Old 09-02-2012, 05:07 AM
  #138  
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Not sure for the US but in the UK the "Orvis" XJ and I think the "60th Anniv" models came with vents from the factory too.

http://www.gumtree.com/p/cars-vans-m...056982/gallery

This is one that shows them although it's not great.
Old 09-03-2012, 09:28 AM
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Originally Posted by Fruid
Not sure for the US but in the UK the "Orvis" XJ and I think the "60th Anniv" models came with vents from the factory too.

http://www.gumtree.com/p/cars-vans-m...056982/gallery

This is one that shows them although it's not great.
Not in the US - I have a 60th anv. and no stock vents.
Old 09-03-2012, 09:36 AM
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Originally Posted by 01blackcat
Not in the US - I have a 60th anv. and no stock vents.
Yeah..sorry it's just the Orvis model here too.
Old 09-03-2012, 06:32 PM
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just made these this weekend after reading a previous hood vent thread. cant wait to see how they do with engine temp!
Attached Thumbnails Hood vents for Cherokees-img_20120903_155257.jpg  
Old 09-03-2012, 06:41 PM
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You could also use some 6x9 speaker grills for a cheap setup.
Old 09-03-2012, 08:09 PM
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Installed these a few months ago. Works great. Unfortunately I cant fry eggs on my hood anymore, but I can live with that! Added some amber LEDs that come on with my fog lights as well...
Attached Thumbnails Hood vents for Cherokees-hood-scoops.jpg   Hood vents for Cherokees-hood-scoop-cut-2.jpg   Hood vents for Cherokees-194253_10151022510081301_314910549_o.jpg   Hood vents for Cherokees-intake-2.jpg  
Old 09-03-2012, 09:15 PM
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I believe you would be better served if you turned them around, face backwards.
Old 09-04-2012, 11:16 AM
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Originally Posted by Gizmo
I believe you would be better served if you turned them around, face backwards.
True Gizmo but then he would be blinded when he turns on the fog lights
Old 09-04-2012, 02:19 PM
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Originally Posted by Gizmo
I believe you would be better served if you turned them around, face backwards.
tried it facing the rear first. had no effect. forward cools better by like 5 degrees.
Old 09-05-2012, 07:06 AM
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I am a fan of aesthetics myself, but that might be considered just cosmetics.

Is there an non-cosmetic advantage on this? Meaning, does it overheat and therefore, does this improove the cooling?

I do notice my V6 to throw a lot of heat under the front wheels when I put my foot on the ground...

cheers
Old 09-05-2012, 09:12 AM
  #148  
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Originally Posted by Leonel
I am a fan of aesthetics myself, but that might be considered just cosmetics.

Is there an non-cosmetic advantage on this? Meaning, does it overheat and therefore, does this improove the cooling?

I do notice my V6 to throw a lot of heat under the front wheels when I put my foot on the ground...

cheers
Yes the last couple years of the XJs had an issue with heat soak causing rough running and they tend to run hot. The vents help to let the heat out and keep it at an acceptable temp.
Old 11-27-2012, 11:44 PM
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well i picked up a set of 280z hood vents from the jy this past weekend, today i made my template and will try to install them tomorrow i will post pics as soon as they are installed
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Old 02-03-2013, 08:52 PM
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Did my vents yesterday..great results
Attached Thumbnails Hood vents for Cherokees-2013-02-02_13-33-02_628.jpg   Hood vents for Cherokees-2013-02-02_13-40-46_494.jpg   Hood vents for Cherokees-2013-02-02_16-01-20_694.jpg  


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