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07-24-2005, 03:03 PM
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#1
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Full Throttle
Join Date: Jun 2005
Location: St. Louis, Missouri
Posts: 667
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Removing the MAF screen: worth it?
Now that I'm in the middle of modifying my induction, I'm always hearing about small, free mods I can make to the setup.
One such is the simple removal of the MAF screen. But is this a good thing? Isn't it there to help protect the sensitive sensors inside the MAF housing? I mean I've already got much more air coming in from under the car now with the CAI and the engine is breathing much better thanks to the Whisper lid. So do I really need to risk something flying up inside my engine or hitting the MAF sensors just to gain what is probably an unnoticable amount of power? |
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07-24-2005, 04:04 PM
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#2
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Light Throttle
Join Date: Apr 2005
Location: Moore, OK
Posts: 226
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The MAF screen is there to smooth out airflow over the sensor so that it is a uniform, laminar flow over the sensor.
I have heard that removing it can cause the car to lean out or rough out the idle, but I personally have removed it on 6 cars and have had no ill effects.
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1997 Riviera L67
2000 Pontiac Montana
2001 Suzuki SV650S
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07-24-2005, 05:20 PM
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#3
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Newbie
Join Date: Apr 2005
Posts: 80
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i removed mine and all is well. i hear it is a mod for those with straight throttle bodies. and since you have a 99 you should be ok. but keep it just in case you need to reinstall it if your car is adversly affected by the modification.
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2001 Rally Red Camaro 3800 M5
Go- K&N FIPK, Pacesetter Headers, SLP LM, MSD 8.5mm, Hurst STS
Show- Xenon Front, 077s, Clears
NYI- ZT LSD, 3in Catco with SPipe
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07-24-2005, 05:41 PM
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#4
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Weight Nazi
Join Date: Mar 2005
Location: Ewing, NJ
Posts: 495
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You'll be fine. You can always put it back in. MAFs are cheap anyway, even if you do break it, which won't cause the car not to run, so it's not like it's an emergency.
g
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Craig|2002 Pewter V6 Camaro M5
Fear the Gear. 13.585 @ 100.05 1.827 60'
No Cam. No Power-adders. No worries.
Quickest stock-motor N/A 3800II.
mods: Gear, weight reduction, tuning
beater: 93 Jeep Grand Cherokee
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07-24-2005, 06:04 PM
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#5
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detailing nazi
Join Date: Jan 2005
Location: Novi, Michigan
Posts: 7,172
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i wouldnt do it, ive found some nasty things in the airbox that probably would of damaged the engine had i removed the screen
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Phil - 2000 black a4 Firebird
Lid / K&N / Magnaflow 3'' Cat-back, !Cat, TSP tune
SLP Bilstein/Eibach suspension 17x9.5 Privat Profils
Performabuilt Level 2 4l60e / Amsoil ATF / Aluminum DS
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07-24-2005, 06:32 PM
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#6
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Blueberry
Join Date: Feb 2005
Location: Lynchburg, VA
Posts: 7,198
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The screen is not a filter, its there to smooth out the airflow. If you have nasty shit in your air box, it will have no problem going through the screen anyway. Why does everyone think its a filter? Remove it, I did and it didn't hurt shit.
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Bob
Atlantic Members Moderator
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07-24-2005, 06:52 PM
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#7
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It moves !!!!
Join Date: Dec 2004
Location: Scott AFB, IL
Posts: 13,562
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Quote:
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Originally Posted by Little G
You'll be fine. You can always put it back in. MAFs are cheap anyway, even if you do break it, which won't cause the car not to run, so it's not like it's an emergency.
g
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if $200 is cheap i want your job !!!
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1997 3800 Series II Camaro
4600 Stall for my ride to the mall
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7.182@99.57 1/8 -1.8x sixty (current quickest v6 fbod)
11.23@ unk 1/4 - 7.197 1/8 - 1.83 sixty
Call me Viper
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07-24-2005, 07:04 PM
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#8
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Weight Nazi
Join Date: Mar 2005
Location: Ewing, NJ
Posts: 495
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__________________
Craig|2002 Pewter V6 Camaro M5
Fear the Gear. 13.585 @ 100.05 1.827 60'
No Cam. No Power-adders. No worries.
Quickest stock-motor N/A 3800II.
mods: Gear, weight reduction, tuning
beater: 93 Jeep Grand Cherokee
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07-24-2005, 07:38 PM
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#9
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It moves !!!!
Join Date: Dec 2004
Location: Scott AFB, IL
Posts: 13,562
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Quote:
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Originally Posted by Little G
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 non for 1997 
never mind found one.......
i can't figure out whats wrong with my car idling high every now and then and it alway fix itself before i can get my scanner on it
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1997 3800 Series II Camaro
4600 Stall for my ride to the mall
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
7.182@99.57 1/8 -1.8x sixty (current quickest v6 fbod)
11.23@ unk 1/4 - 7.197 1/8 - 1.83 sixty
Call me Viper
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07-25-2005, 12:43 AM
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#10
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It goes up AND down!!!!
Join Date: Dec 2004
Location: Norf Carolana
Posts: 7,729
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Take the stupid thing out. I've had mine out for 4 years now, and the car runs great.
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2010 Camaro RS/SS LS3 M6 AFe cai, GMPP catback
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07-25-2005, 08:24 PM
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#11
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Full Throttle
Join Date: Jun 2005
Location: St. Louis, Missouri
Posts: 667
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Well what kind of performance do I really get from removing it? That was part of my concern, whether or not it's even worth doing. It can't be a noticeable difference can it? |
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07-26-2005, 02:17 AM
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#12
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It goes up AND down!!!!
Join Date: Dec 2004
Location: Norf Carolana
Posts: 7,729
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I noticed a big difference. After removing my MAF screen, I crunched it together into a solid wad, and put it back into my TB. It covered up approx one third of the available throttle area.
Basically, it turns your 65mm throttle into a 44mm throttle. I think 33% more airflow potential would be a step in the right direction.
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2010 Camaro RS/SS LS3 M6 AFe cai, GMPP catback
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07-26-2005, 03:01 AM
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#13
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Full Throttle Extreme!
Join Date: Dec 2004
Location: San Antonio, TX
Posts: 33,780
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Well, unlike Malice I'd probably leave the screen intact in case anything happens. Yes, I'm sure that Malice crushed the screen in the name of science, and was not under the influence of 'Roid Rage when the incident occurred. 
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1987 Fiero GT (
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) | 1998 Platinum Gray Metallic Buick Regal GS | 2005 Pontiac Grand Prix GT (Wife's DD, so sexy...)
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"Bother", said Pooh, as he chambered another round...
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07-27-2005, 02:31 AM
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#14
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Full Throttle
Join Date: Jun 2005
Location: St. Louis, Missouri
Posts: 667
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So did anyone else who removed it notice this big difference? |
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07-27-2005, 03:06 AM
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#15
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Newbie
Join Date: Apr 2005
Posts: 80
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free mods never really give a big difference. Big gains cost a lot of money, but for the whole five mins it took to take it out it was worth it and it is noticable. Not going to make your car fly by any means, but like everyone is saying take it out and see for yourself. If you dont like it put it back in. By having it out for a day i doubt the engine damaging particles that everyone speaks of will make it through your filter.
__________________
2001 Rally Red Camaro 3800 M5
Go- K&N FIPK, Pacesetter Headers, SLP LM, MSD 8.5mm, Hurst STS
Show- Xenon Front, 077s, Clears
NYI- ZT LSD, 3in Catco with SPipe
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Linear Mode
