Mac screen removable

Adam Vinnicombe · Oct 13, 2020

Hi all my mates just brought a new CAI for his 2003 GT new edge but the instructions are saying to remove the maf screen, I always believed this to be a bad thing to do,
So should he remove it or not and why
Cheers all

Benni614 · Oct 13, 2020

Adam Vinnicombe said:
Hi all my mates just brought a new CAI for his 2003 GT new edge but the instructions are saying to remove the maf screen, I always believed this to be a bad thing to do,
So should he remove it or not and why
Cheers all

I have never removed the maf screen. I would advise not to

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Adam Vinnicombe · Oct 13, 2020

I’ve told him the same thing, we are just wondering why the kit tells you to remove it?

ttocs · Oct 13, 2020

why would you listen to "the kid"? Who is the kid?

Adam Vinnicombe · Oct 13, 2020

ttocs said:
why would you listen to "the kid"? Who is the kid?

Sorry I meant kit not kid

ttocs · Oct 13, 2020

ok then new question what kit are we talking about?

Adam Vinnicombe · Oct 13, 2020

I believe it’s a C&L kit but I can’t be sure.

RAU03MACH · Oct 13, 2020

I know bbk kit says to remove it
But i did not

apsmith49921 · Oct 13, 2020

When did they start adding MAF screens? Neither maf I have for my cobra has them

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Adam Vinnicombe · Oct 13, 2020

I’m guessing all the new edge GT’s have them. I always thought they were there to smooth out the air flow so that the sensor can read the amount of air coming in better. Also I thought that if you ecu has been set using a screen then you just remove the screen with out letting the ecu know about this the engine will not run to well. But if I’m wrong please let me know, always have an open mind

ttocs · Oct 13, 2020

people think that a screen like that does not effect the airflow and at one time I did also. I witnessed an interesting experiment on an RC airplane field that changed my mind. The place I flew at was in Az and we had a decomposed granite runway that had been no problem since the early days of gas motors. In the early 2000s the ducted fans(electric jet basically) became more popular but the problem with our field was the landing gear would kick up some of the rocks and they would get sucked into the fan and it would only take a couple of small chips on the blades before it was out of balance and it would eat itself. Some of the guys started playing with the idea of putting mesh on the front to stop them and one of the guys had an old left over screen material he put on the front of the duct. It was surprising to find out that unless there were holes over 1/2" big or bigger it would cut down on the airflow enough that they could not take off. Now slower air in the intake probably is not a bad thing as it was designed that way and it might need it slowed down to get the reading for the maf.

RAU03MACH · Oct 13, 2020

apsmith49921 said:
When did they start adding MAF screens? Neither maf I have for my cobra has them

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My 95 mustang has it
My 98 mustang has it
My 03 mach has it checked
My 97 cobra has it
My 97 4x4 f 150 has it
I haven't checked
my 07 supercrew or the rager

apsmith49921 · Oct 13, 2020

That's super strange. I wonder why some dont. Neither of mine appear to be modified at all

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RAU03MACH · Oct 13, 2020

did you own the car originally or buy used
Someone could have been in the system one time or another and removed it

RAU03MACH · Oct 13, 2020

Adam Vinnicombe said:
I’m guessing all the new edge GT’s have them. I always thought they were there to smooth out the air flow so that the sensor can read the amount of air coming in better. Also I thought that if you ecu has been set using a screen then you just remove the screen with out letting the ecu know about this the engine will not run to well. But if I’m wrong please let me know, always have an open mind

Also keeps trash out , not all filters are perfect