09-16-2002, 12:10 PM
| #1 (permalink) |
| College Stanger  Join Date: May 1999 Location: Aiken,south carolina, usa
Posts: 1,095
|  stock mass air-flow sensor. On my 1994 stock Mass airflow sensor it has a screen covering the whole. What is the screen for. Is it important or if I remove it will I gain power. I see that after markets do not seem to have the screen. Also can you do anything to the stock one like boring it to allow more air in?
__________________ 2003 Sonic Blue Cobra www.ifitsfast.com www.stangbay.com tell them GodStang sent you!! |
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09-16-2002, 12:35 PM
| #3 (permalink) |
| Moderator  Join Date: Dec 1999 Location: Livonia, MI, USA
Posts: 1,194
| You cannot remove it without it affecting the actual metering of the air (throws calibration off). Nor can you bore it out, without re-flowing and recalibrating it.
__________________ Darius Rudis, Moderator Corner Carvers Delight 1989 Mustang LX - Open Track Car http://www.dariusrudis.com |
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09-16-2002, 01:01 PM
| #4 (permalink) |
| Registered Member Join Date: Mar 1999 Location: Zachary, LA
Posts: 263
| i also read that it straightens the airflow out and eliminates turbulence. its been proven that removing the screen actually hurts performance
__________________ GT-40X heads(58cc), Cobra upper and lower, 75 mm Bullet, Moroso fenderwell induction, FRPP 65mm TB, 24# injectors, black magic electric fan, phenolic spacer, 1.7 crane cobra roller rockers, crane 2031, BBK 1 5/8 equal length hearders, 2.5 inch off road pipe, 2.5 flowmaster catback, FMS 3.55 gears, T5-Z transmission, FRPP aluminum driveshaft, svo heavy duty clutch, mcleod bullet proff bellhousing, BBK adjustable cluth quadrant, hurst billet shifter, lakewood subframes, BBK strut tower brace, BBK 2pt lower cross bar, FMS 190 lph fuel pump, crane ps91 coil, FMS street pulleys, and 300+ race wires. All thanks goes to my wife sheri, jason, jeff, robby, my dad and all others you helped contribute. most importantly GOD!!! |
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09-16-2002, 01:54 PM
| #5 (permalink) |
| MW Link Sponsor Join Date: Sep 2002 Location: rochester , ny
Posts: 79
| my screen is removed and my stock mas is honed , and it does not not affect performance in a negative way . it is ok to do as long as you have proper filtration of the air entering the engine , the purpose of the screen is to protect the tiny wires inside of it which measure voltage. the turbulence is not necesary because the sensor does not measure air frequency like some mas's do. electricity travels through the wires which heats them up and the incoming air cools it down , the more air that hits it , the cooler it gets , and more fuel is put into the engine . i also datalog my runs and i did not notice a difference in air fuel ratio . you can hurt your afr if you move your mas to a different location , or turn it . just my 2 cents . |
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09-17-2002, 02:01 AM
| #6 (permalink) |
| Registered Member Join Date: Sep 2002 Location: Los Angeles
Posts: 39
|  MAF screen I have an 89 gt that ran a best of 9.10 @ 75.16mph on an 1/8 mile with the screen in. I decided to remove the screen and then ran a best of 9.06 @ 75.86. I was very pleased with this mod. as I picked up a little e.t. and mph. |
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