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Thread: Hood vents

  1. #1
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    Default Hood vents



    Had some free time yesterday so I was able to install some vents in my hood to help drop the underhood temps a little... Let me know what you guys think...

    To start here are pictures of the materials I purchased for the vent. Grill-O-Sheets for the mesh



    and door edge molding from any local autopart store.



    In this picture it will show the cut-out locations... I did try to make the center line and the top line run parallel to the center line and in the upper edge of the hood as well...



    After I laid out my masking tape I measured and drew out my two triangles... then I measured 1 1/2 from the top outer points and drew a line down and measured 3" up from the bottom points and drew a straight line out... I basically just cut the points off...
    then I took my Roto-zip with metal cut-off wheel attachment and went to work cutting out the shapes...


    after grinding down the edges and priming the bare metal I put the door edge molding on... then from under the hood I put the mesh material up against the hood and cut it down a little... After scuffing, priming and painting the mesh I secured them to the hood with black silicone and masking tape to hold them up overnight.

    The next morning I pulled off the tape and there was my finished homemade hood vents...






    it was pretty easy, just a little scary making the first cut but overall it can be done in just a few hours... Obviously you can also come up with your own shapes and designs... and if it concerns you, drip pans should be a piece of cake to make if you got this far... Hope this helps.

    I'll be hitting all my electrical connections with di-electric to prevent any problems with rain but if that doesn't work I'll add some drip pans under each side... We'll see what happens after a couple of trips in the rain...

  2. #2
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    Now those are very cool... And look easy to do.... Pat yourself on the back...Now long as the rain don't get ya, ya otta be good to go
    KennyB
    US Navy (Retired)
    1974-1995
    Dallas Ga

    1999 Cherokee Sport
    bought extremly used
    BUT NOT USED UP
    Redneck/Backyard lift
    Wont Steer properly

    GOnna make a Brute outta her!!!


  3. #3
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    Awesome job on your fabrication there Mr JCRod....I think the vents done that way look like it was factory made........Cool.....
    1996 XJ Sport-RE 4.5" & Daystar BB netting about 6"s..Adjustable Upper & lower control arms..HD adjustable track bar...RE Mono shocks...Mojave teflon rims w/BFG 32x11.50 KM2s...RR SYE & CV shaft combo...Treck's steering frame brace and M.O.R.E. Brace...Kargo master roof rack w/home brew light mount...Home brew snorkel w/K&N filter...Yaesu 857 & Galaxy DX99V CB radios...DeTours Backbone and Tailbone system...8000 lb winch....

  4. #4
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    looks good man
    this side up
    (derick)

  5. #5
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  6. #6
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    Cheap and very good looking

    THX for sharing!

  7. #7
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    Those are sweet. Good job!
    JcrOffroad
    info@jcroffroad.com
    269.353.1184

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  8. #8
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    Nice, very nice!

  9. #9
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    Default Re: Hood vents

    I may be doing that to mine in the near future. I really like it.
    Let me know how it does at lowering the temp.

  10. #10
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    Default Re: Hood vents

    so its been a couple months have you noticed a big change in temp?

    they look good btw - also you could have used jbweld or something like that to hold them on too.

  11. #11
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    Default Re: Hood vents

    The vents combined with the electric fan bypass drops temps quite a bit and since I've done it I haven't had any cyl 3 misfires or rough idles on start up from heat soak... I usually leave the fan on in town when I'm running errands and turn it off (let the computer control it) on longer hwy runs... No problems with rain so I never did drip pans and I probably won't...

    And as far a JB weld goes, that was an option but since the black rtv is good to 450 degrees and a lot easier to take off if needed I went that route... They're still up there and not coming loose at all...

  12. #12
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    Default Re: Hood vents

    good deal I was wonderin how that turned out for ya - since im buildin mine for trails only I may make some since I wont be going fast enough for good air flow.

    thanx for the how to

  13. #13
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    Default Re: Hood vents

    How are these in the rain?

  14. #14
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    Default Re: Hood vents

    They look great. I like how it looks factory.

  15. #15
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    Default Re: Hood vents

    Looks great! Any issues with rain or water yet?

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