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maf screen removal

This is a discussion on maf screen removal within the General Help forums, part of the LSx Technical Help Section category; Originally Posted by NaviDyn The screen straightens turbulent air for a more accurate reading. That is why it is there. ...

  1. #21
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by NaviDyn View Post
    The screen straightens turbulent air for a more accurate reading. That is why it is there. Hence the need for tuning often.
    Ya I've heard that but just don't buy into it. Especially since GM removed the screen in the later years anyway.
    No need to tune often though,,,once the MAF table is dialed in you leave it alone. It's not that big of deal really. Just a few logs and simple math and it's done.

  2. #22
    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by metalmechanic View Post
    there are 1.38 million cars on the road that dont have maf screens, GM deleted this screen 2002 LS 6
    They sure did.

    And the MAF was calibrated for the lack of screen. UNLIKE our F-Body's.

  3. #23
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    If you take the screen out, make absolutely sure that the lid fits perfect with NO LEAKS. I used a drop light stuck up in the air box with the lights out to check for leaks and have had no problem so far, good luck.

  4. #24
    515 HP TrickFlow Package BADASS2000SS's Avatar
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    I have never had a screen on any of my MAF's, long as it is tuned for and you have an air filter, you will have no issues!
    2000 SLP Camaro SS M6 * 515 HP TrickFlow Package * FAST 92 MM Intake * Nick Williams 92 MM TB * Volant CAI * Granatelli MAF * Full Custom True Dual Exhaust with X-Pipe * Tuned by Breathless Performance

  5. #25
    Member NaviDyn's Avatar
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    Quote Originally Posted by Firebirdjones View Post
    Ya I've heard that but just don't buy into it. Especially since GM removed the screen in the later years anyway.
    No need to tune often though,,,once the MAF table is dialed in you leave it alone. It's not that big of deal really. Just a few logs and simple math and it's done.
    It isn't for sale.

    As stated just after, each model car has its own tune. When it gets deleted by GM, that was accounted for in design. Or any other manufacturer.

    Which is why many do need to tune after deleting.

  6. #26
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    My .02.... anyone is a retard for wanting to do this. it protects the sensor. that alone should be enough to convince you to just leave it there vs .00001 hp.

    You may gain a little hp at wot ( probably because the ecm will still have to adjust to the slight difference in flow) at peak power but down low you will lose and in daily driving where throttle is opening and closing constantly and the screen helps keep turbulence at a minimum.

    Spend money where its needed not stupid mods like this.

  7. #27
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by NaviDyn View Post
    It isn't for sale.

    As stated just after, each model car has its own tune. When it gets deleted by GM, that was accounted for in design. Or any other manufacturer.

    Which is why many do need to tune after deleting.
    Thats why I mentioned needing to tune and/or revamp the MAF tables after screen removal in one of my previous posts.

    It's not that screen removal is a bad idea,,it's just a bad idea if you leave it be without tuning afterwards. I think we are on the same page.

  8. #28
    TunedbyFrost.com Tuner Frost's Avatar
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    It's ridiculous anyway... A bolt-ons car (which are all of the guys that are OBSESSED WITH SCREWING WITH THEIR MAFs) MIGHT pickup 2 HP with the screen out AND tuning.

    FACT: If you remove the screen, the reported airflow is lower making your car run leaner in OL and at WOT.

  9. #29
    Junior Member metalmechanic's Avatar
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    Last edited by Spaz; 06-11-2009 at 06:29 PM. Reason: make some nice comments...

  10. #30
    TunedbyFrost.com Tuner Frost's Avatar
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    I have before and after logs with wideband data, would you care to put your money where your mouth is?

  11. #31
    Member fxgs's Avatar
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    Quote Originally Posted by 5abivt View Post
    My .02.... anyone is a retard for wanting to do this.

  12. #32
    Junior Member corvet786c's Avatar
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    I have had 3 fbodyies within the last 8 yrs. All ported MAF No problems. Actually I just ported Mine yesterday and it has a deeper idle tone to it now. You just cant touch those little wires inside. Thats were the problem lies. Make sure it gets tuned and you will have no problems JMO.

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