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  1. #1
    Moderator
    dwill3015's Avatar
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    Yacolt, Washington
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    Default How To: Airbox Mod

    THE AIRBOX MOD:

    Tools:
    3" holesaw
    Small Drill bit
    Phillips screwdriver
    Dremel cut tool

    Material:
    4 SS screws
    .025 sheet of aluminum (cut out of 8"x 18" sheet)
    Shop vac filter.

    1. Remove Airbox from Vehicle
    2. Locate the side of the filter box facing the headlight assembly. In the lower left corner, remove the 3 center ribs on the outside of the box with Dremel.
    3. Drill a 3" hole into airbox between the two remaining ribs.
    4. Cut a piece out of the shop vac filter to fit area where the hole is and between the two ribs you didn't cut out.
    5. Cut the Aluminum sheet to the same size as the shop vac filter and drill a 3" hole in the middle. Try to match the hole location in airbox.
    6. Drill 4 pilot holes and attach to airbox using SS screws.

    Recommendations:
    1. Use material that won't rust.
    2. Alternate material-Corragated metal (if you can find it)
    3. Reason I chose shop vac filter? If it can keep water out of a shop vac motor, it will keep the bugs and water out of my K&N filter.




    Last edited by Springthing; 07-24-2010 at 10:46 PM. Reason: Title
    Darcy
    Washington State
    2006 Silverado 2500HD LT3 4X4 CC SB Duramax LBZ
    Tuff Country 6" lift, 35" Toyo M/T's on 20" Ultra Peacemaker wheels, Quadzilla Stealth2 programmer, Diamond Eye 5" cat-back exhaust, factory Special order color Yellow.

  2. #2
    Jr. Mechanic ibmoses's Avatar
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    "Sweet Home Alabama"
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    147

    Thumbs up

    Thanks for the write up.

    I can hear my engine moan now when I gouge on it. It seems like it has more power but that may just be the noise...

    Now if I could figure out how to make a cold air scoop with a hose that would direct air into the hole in the air box...

    I saw the SS scoop and hose Volant makes. Perhaps someone has some ideas...


    Bert
    "Race Car Spelled Backwards is Racecar"

    03 Silverado 2WD extended cab 5.3 with towing package white/silver
    70GS455

  3. #3

    Default

    Great mod Darcy! Looks very clean. Thanks for the write up!
    Matt
    Hallsville, TX

    2005 Silverado 1500 LS Crew Cab 5.3L 2WD
    K&N FIPK II
    Magnaflow Exhaust
    Hypertech Max Energy Programmer
    Suspension Leveling Kit
    Putco Element Window Visors
    Carriage Works Billet Grille
    TruXedo TruXport Tonneau Cover


  4. #4

    Default

    Quote Originally Posted by MWright936 View Post
    Great mod Darcy! Looks very clean. Thanks for the write up!
    Agreed!
    And I put this write up on the myspace too!

    myspace.com/gmtruckclub
    Ryan

    2002 Jeep Wrangler Sport 4x4 (the Yellow Jacket)
    4inch suspension 3inch body
    Straight 6 (383 Stroker within a year)
    36inch SuperSwamper TSL.
    105,000
    Detroit Loccers
    Daily Driver Weekend Wheeler
    much more...

    2004 Sierra crew cab, 2wd, 5.3 V8
    2inch Daystar Leveling kit
    single dumped Flowmaster 40 sieries exaust(removed)
    Mb Blitz Chrome wheels
    Leer Bed Cover(for sale)
    50k miles
    :glasses:




  5. #5

    Default

    I was wondering if you were to somehow get this to mount to the mod and run it to the grille would it help more?


  6. #6
    Legend tlperry68's Avatar
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    Oct 2008
    Location
    Huntington Beach, CA
    Posts
    1,504

    Default

    Nice work.
    Trevor - Huntington Beach, CA
    2007 GMC 2500 4X4

  7. #7
    Jr. Mechanic ibmoses's Avatar
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    Talking

    Quote Originally Posted by bzboardco View Post
    I was wondering if you were to somehow get this to mount to the mod and run it to the grille would it help more?


    That looks like it would almost work with one of the vent slots between the bumper and the grille surround. Where did you find it?
    I was trying to figure out how to rig up a scoop/tube from the opening where the tow hook is located.

    Bert
    "Race Car Spelled Backwards is Racecar"

    03 Silverado 2WD extended cab 5.3 with towing package white/silver
    70GS455

  8. #8

    Default

    GangsteR
    IF IT AIN'T BROKE, DON'T FIX IT

    2000 CHEVY SILVERADO 1500
    - BLACKED OUT BOW TIE
    - RHINO LINER
    - BLUE LED CLUSTER
    - SOUND SYSTEM
    - SOFT WHITE LED DOME LIGHT :smile:

    - SOON -
    - SOFT WHITE LEDs THROUGH OUT INTERIOR

  9. #9

    Default

    This is where that kit is from scroll to the bottom of the page http://www.marchperf.com/pg32.html

  10. #10

    Default

    Great mod Darcy.
    In the Toyota world they've been doing an Airbox mod for years that might work well in conjunction with this.
    They use a Marine "Deck Plate" and mount it over a corresponding size hole cut in the box (Deck plates can be purchased in sizes from 2" to 10"). This allows you to close up the hole during wet conditions where you may get to much water in (water crossings, bad rain storms, etc).
    You can seal the edges of the deck plate with "Sensor Safe Silicone RTV" if you want a real leak free install.
    A couple notes tho:
    If you use RTV allow 24 hrs to cure and fumes filter out before starting the engine.
    Only use sensor safe RTV, other types of RTV have a habit of screwing up the intake sensors when used and causing a CEL.
    Deck plates can be bought from local Marine supply stores, Walmart, and places like Marine 1 or West Marine on the net.
    I prefer plastic Deck Plates but metal ones are available also, they just cost more.

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