Notices
Modified JK Tech Tech related bulletin board forum regarding subjects such as suspension, tires & wheels, steering, bumpers, skid plates, drive train, cages, on-board air and other useful modifications that will help improve the performance and protection of your Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) on the trail.

PLEASE DO NOT START SHOW & TELL TYPE THREADS IN THIS FORUM

Hood Vents

Thread Tools
 
Old Apr 16, 2009 | 03:04 PM
  #1  
JK Dawg's Avatar
Thread Starter
JK Enthusiast
 
Joined: Feb 2008
Posts: 307
Likes: 0
From: Seattle, WA
Default Hood Vents

Has anyone added vents to their hood? It seems this would improve airflow for increased cooling and reduce or eliminate the dreaded hood lift, since incoming air would have an escape.

I had drilled six 3" holes in my XJ (three per side in a line) and covered them with two reversed hood scoops for protection from the elements. This made an amazing difference in on & off road temps.

Your thoughts how this would work an a JK?
Reply
Old Apr 16, 2009 | 03:56 PM
  #2  
seer1's Avatar
JK Junkie
 
Joined: Jun 2007
Posts: 2,467
Likes: 1
From: 4 Corners
Default

These things run hotter'n hell from the git-go. Then add on some skids which traps even more heat in, hit a 10,000 foot mountain pass trying to keep up with traffic while carrying a boatload of gear and well.... I have a transmission cooler half hooked up and a set of Gen-Right hood louvers sitting in the garage waiting for me to get caught up on some other projects. There'll be picts when it's done.

Of course instead of cutting holes for louvers, you could spring the $750 for an AEV hood.
Reply
Old Apr 16, 2009 | 04:29 PM
  #3  
nangulator's Avatar
JK Super Freak
 
Joined: Jul 2008
Posts: 1,103
Likes: 0
From: downingtown, PA
Default

They would just let more water into my engine compartment.
Reply
Old Apr 16, 2009 | 05:26 PM
  #4  
greenamphibious's Avatar
JK Super Freak
 
Joined: Feb 2009
Posts: 1,942
Likes: 1
From: Tampa, Florida
Default

hood bounce = remove the spring for free

cooling.... eh, doubt you are gonna cool it much more with little vents. I do like the AEV hood
Reply
Old Apr 16, 2009 | 07:41 PM
  #5  
seer1's Avatar
JK Junkie
 
Joined: Jun 2007
Posts: 2,467
Likes: 1
From: 4 Corners
Default

Originally Posted by nangulator
They would just let more water into my engine compartment.
Is that Drowningtown you're from?
Reply
Old Apr 16, 2009 | 07:43 PM
  #6  
07Rubi2dr's Avatar
JK Super Freak
 
Joined: May 2008
Posts: 1,532
Likes: 0
From: Vancouver, BC/Kingston, ON
Default

River raider makes a set I think I'm going to get
Reply
Old Apr 16, 2009 | 07:53 PM
  #7  
moabjk072d's Avatar
JK Freak
 
Joined: Aug 2008
Posts: 522
Likes: 0
From: Pleasant Grove, UT
Default Hood vents

I put hood vents in my hood and I noticed a big difference in engine temps and they look cool to.
Reply
Old Apr 16, 2009 | 08:21 PM
  #8  
nangulator's Avatar
JK Super Freak
 
Joined: Jul 2008
Posts: 1,103
Likes: 0
From: downingtown, PA
Default

Originally Posted by seer1
Is that Drowningtown you're from?
No, I just like spending time in the Pine Barrens, The actual town of Downingtown was built on a dried up lake bed and does flood every now and again
Reply
Old Apr 17, 2009 | 06:21 PM
  #9  
JK Dawg's Avatar
Thread Starter
JK Enthusiast
 
Joined: Feb 2008
Posts: 307
Likes: 0
From: Seattle, WA
Default

Originally Posted by nangulator
They would just let more water into my engine compartment.
That's why I covered them with the reverse hood scoops. Worked well on my Cherokee.
Reply
Old Apr 17, 2009 | 07:08 PM
  #10  
JKrJohn's Avatar
JK Enthusiast
 
Joined: Feb 2007
Posts: 149
Likes: 0
From: Castle Rock, Colorado
Default

See thread https://www.jk-forum.com/forums/modified-jk-tech-2/cut-hood-installed-vents-39508/

It was an absolute must with the AiROCK system IMO -- way too much heat under the hood before the vents. MUCH improved in heat reduction, as it no longer vaporizes the oil in the York compressor.

I never installed rain diverters either as I figured it was a waste of time for little concern... and haven't had a problem to this day.

I say go for it, save the $700 on the AEV hood, and add a true custom mod. Happy cutting!

I also thought it would eliminate the hood lift with spring removed, but it only reduced it.
Reply



All times are GMT -8. The time now is 08:33 AM.