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Thread: mass air flow

  1. #1
    Join Date
    Jan 2007
    Posts
    20
    i heard you can just remove the screen and pick up extra horse will that cause any problems in the long run of should you just buy a new mass air flow sensor truck is 5.3 06 ext cab

    also any one know a webaddy or company or what ever that i could get the conversion from drum to disk on the rear

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Don't descreen your stock MAF sensor. It will cause issues.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Join Date
    Feb 2007
    Location
    Fort Worth
    Posts
    9,578
    <div class='quotetop'>QUOTE(RedHeartbeat &#064; Mar 26 2007, 09&#58;52 AM) [snapback]87305[/snapback]</div>
    Don&#39;t descreen your stock MAF sensor. It will cause issues.
    [/b]
    Red is right. Doing so would cause a SEL, improper air/fuel ratio, horrible gas mileage, poor idle quality, etc.

    The only reason you may get some extra hp is because it is dumping in more fuel???

    If you go aftermarket, you do get some extra hp, but your mileage is horrendous. The cost of the MAF outweighs the hp gains IMHO.....

    2000 ECSB 6.0L
    TORQUER V2 CAM ● COMP 918's ● 7.4 HARDENED PUSHRODS ● K&N SERIES 77 CAI ● 80mm BBK ●PACESETTER LT HEADERS AND 3'' ORY ● SUPER 40 FLOW ● 3000 STALL ● 4.10s ● BUILT 80e ● VORTEC PERFORMANCE TUNE ● MSD 8.5mm PLUG WIRES● ELEC. CUTOUT ● UD & ALT PULLEYS ● FLEX-A-LITE E-FANS ● 22" CENTERLINE STINGRAY III's ● LUND FIBERGLASS TONNEAU ● 2" LEVELING SHACKLES ● 12K HID LOWS & FOGS ● LEDs ● DEBADGED ● WHITE-FACED ESCALADE GAUGES ● KICKER 450.1 ● 2-CVR 10's ● DS60's ● K693's

  4. #4
    Join Date
    Jan 2005
    Location
    Humble/Houston TX
    Posts
    2,586
    unless you change your intake to where you MAF is directly on your throttle body, and the filter is sticking straight out from the maf there will be turbelance...the F-body guys can get away with descreening because their intake is alot more direct. truck intakes make all kinds of bends and turns which disturbs the air. the screen straightens it back out to get an accurate reading.

    old mod list: H/C/I/N/E/G 408
    new mod list: 5.3, gears/posi, mufler and tune : (

  5. #5
    Join Date
    Mar 2007
    Location
    Carthage,TN
    Posts
    100
    I&#39;ve been running a granatelli maf sensor with no screen and a K&N FLPK kit, Helix TBS for years, last time i had it checked my air to fuel was good and it idles smooth my mpg is about 17 to 18 city, i dont take many long trips. id like to get a screen to put back in it to c if theres any change though. MPG figure in the fact i have to shift 1st to 3rd lol.

    00' 4.8l 5spd, K&N intake, Granatelli M/A, Shorty headers, Hypertech prg., 160* 2/4 drop

  6. #6
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    The Granatelli MAF is calibrated for use without a screen if it didn&#39;t have one in it to begin with. There are a lot of aftermarket MAFs that don&#39;t have screens. The factory MAF is calibrated for use with a screen.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  7. #7
    Join Date
    Aug 2006
    Location
    Willis, TX
    Posts
    724
    No screen here and no problems...If you decide to do it let your tuner know...As far as seat of the pants pwr...can&#39;t tell one way or another.

    05 RC, LME 6.0, 243 Heads, LSA Rods, 11:25 Forged Pistons, Cam Motion Custom Grind, 4:10, Eaton LSD, Narrowed Rear-end w/ Chromoly Axles, Pacesetters LT's, SLP Loudmouth II Mufflers, Volant CAI, Yank SSTB3600, Bosch 42 lbs inj's, G-Force Tune, FLT Level 4 Trany, Belltech 2/4, Times: ?
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  8. #8
    Join Date
    Apr 2003
    Location
    Mansfield, Texas, USA
    Posts
    2,462

    Cool

    Best to leave it be...
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

    '01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
    '80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL

    Let's face it, the red hair... makes 'em wet.


  9. #9
    Join Date
    Oct 2003
    Location
    TeXas
    Posts
    932
    I don&#39;t know anything I run a tornado

    leave it on there.
    http://i17.photobucket.com/albums/b9...5831PM-2-1.jpg <--- TimeSlip
    RCSB 5.3 N/A 12.31 full boltons,H/C,4.10s,3800 converter. SOLD
    04 GTO
    Both Tuned By: ME

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