Cool air for my Hennessy CAI? - Cherokee SRT8 Forum
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post #1 of 20 (permalink) Old 09-29-2012, 05:56 PM Thread Starter
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Cool air for my Hennessy CAI?

Alright, I went With the Hennessy CAI for my 2012 SRT8. I notice better throttle response , but not much else.

I wonder if anyone here has considered running a cooling duct from the vent opening on the right side running up to the area right under the filter? I think the car would appreciate the extra cool air as opposed to swallowing all that heated air coming off the engin.

Any thoughts on this idea? It seems like a pretty easy modification to take on.
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post #2 of 20 (permalink) Old 09-29-2012, 06:42 PM
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If i could do something like that in my garage, i would most def try it, but be careful not to mess anything up that couldn't be returned back !

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post #3 of 20 (permalink) Old 09-29-2012, 06:51 PM
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Another option if you are unaware, there is a removable piece above the driver headlight that the non SRT8 WK2 uses to duct air into the intake box. The part is boxed in red and uses the two push rivets highlighted in yellow to secure it.


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post #4 of 20 (permalink) Old 09-29-2012, 07:41 PM Thread Starter
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Interesting!

I was thinking about something similar to the fresh air ducts you see in some race cars these days using some of the same flexible hose you see feeding cool air to disk brakes.

Ill have to take a closer look at that upper section you pointed out, that could be a better location to scoop in cool fresh air. Plus its much closer to the target!

Thanks!
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post #5 of 20 (permalink) Old 10-06-2012, 04:29 PM Thread Starter
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Modification Complete!

Finished the CAI duct project yesterday and I'm just painting the bezel surrounds now. I'll post pics of the install tomorrow.

Really happy with the results,it pushes a ton of cool air directly into the Hennessy filter as well as the engine bay. Also, I must admit the aircraft duct I installed in the front lower vent looks very cool, sort of a functional/industrial style!

I'll also post a link to the parts used in case others want to give this a try. The install took about 2.5 hrs (excluding painting) and cost under 100 bucks!

This is a good solution for those who don't want to go the Bwoody rout which requires the relocation of the washer fluid reservoir in order to get the filter in front of cold air. Instead, this solution brings the cold air to the filter.
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post #6 of 20 (permalink) Old 10-06-2012, 05:00 PM
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Looking forward to the pics


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post #7 of 20 (permalink) Old 10-07-2012, 07:59 PM Thread Starter
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Pics of CAI Duct Modification

Alright, first things first. Here is a list of the parts used:

From Aircraft Spruce & Specialty Co.

(2) 2.5" Alum Flange (Part# 10350-10)
3 feet SCEET-10 Ducting 2 1/2" dia. (Part#05-30610)
(2) hose clamps

You will also need a Dremmel Tool with a sanding wheel to cut a perfect 2.5" hole in the lower right vent (pics should make this clear!)

-A drill
-1/8" drill bit
-(3) 1" 6mmAllen Bolts w/locking nuts and 1/2" washers (these are for sandwich mounting the flange to the lower vent)

Pics:












Last edited by hubbman; 10-07-2012 at 08:10 PM.
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post #8 of 20 (permalink) Old 10-07-2012, 10:27 PM
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Damn cool idea (oooh.. sorry about that ). Any reports from the drive? (eg whislting or other noise, banging around etc - not ure how attached at the top?). Good on you for having a go at something new

PS - Are your duct rings & hood badge painted or wrapped? If painted, no dramas reattaching badge lettering correctly? Cheers!

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post #9 of 20 (permalink) Old 10-08-2012, 12:54 AM Thread Starter
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Re. Duct issues

Nope no noise at all! The entire assembly is zip tied in so there is no movement what so ever.

The black hood badge was ordered from just forjeeps.com. I didn't want to screw around with painting such a front and center badge so I bought one from the factory. The vent bezels are painted with the same Black Pearl paint as the rest of the car.
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post #10 of 20 (permalink) Old 10-08-2012, 05:39 AM
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The whole Jeep looks really good...nice idea!

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