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Old 05-30-2004, 06:10   #1 (permalink)
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Modifying your MAF sensor - whats the go?

Hi peoples, i did a quick search, using dodgy words lol, and couldnt find an answer.

my question is - can you port out the stock MAF sensor without everything turning to poo?

i just got a 96 ford explorer MAF sensor to go with my A9L computer and tweecer. the explorer unit is advertised as a 75mm one, but there is a giant great bloody post in the middle, with a riveted on plate on the back, for the sample tube.

what would happen if i cut the 'post' nearly completely off and removed the plate at the back, so the air just goes straight through the sample tube and out the other side, without having to go 'down' the inside of the now non-existant post?

would it run rich because of slightly more airflow going through the tube (due to less restriction) or would it run lean due to more air flowing through the actual unit due to the removal of most of the 'post'???

im planning on about 220-250hp at the wheels, do you think its worth the trouble? and if it may cause problems, will the tweecer be able to correct for this with appropriate programming of the A9L?
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Last edited by Rollin; 05-30-2004 at 06:13. Reason: spelling...
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Old 05-30-2004, 06:26   #2 (permalink)
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Re: Modifying your MAF sensor - whats the go?

Just a thought dan, why not use a AC Delco computer, and ancileries, its heaps easier then the EEC to tune(Kalmaker), and the arts are cheap as.
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Old 05-30-2004, 06:27   #3 (permalink)
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Re: Modifying your MAF sensor - whats the go?

Oops, about the MAF, no idea.
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Old 05-30-2004, 07:06   #4 (permalink)
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Re: Modifying your MAF sensor - whats the go?

You could modify it and then correct the AF ratio issues with the TwEECer, but I don't think it will give you anything. Even though that bar does look restrictive, the MAF still flows plenty of air, enough for 250rwhp.
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Old 05-30-2004, 07:15   #5 (permalink)
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Re: Modifying your MAF sensor - whats the go?

Why are you looking at MAF anyway Dan, whats the advantages?
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Old 05-31-2004, 21:01   #6 (permalink)
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Re: Modifying your MAF sensor - whats the go?

you can supposedly run a much bigger cam than with a MAP, (as the difference between vacuume at idle and WOT is not as much with a big cam as with a stock one) and also tuning is supposed to be easier as well with MAF as opposed to MAP systems.

plus, as im using a EEC still, insurance will cover, as "technically" its a ford computer, and hence insurable :) AC delco is not.
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Old 06-01-2004, 00:49   #7 (permalink)
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Re: Modifying your MAF sensor - whats the go?

Fair enough, your gunna have fun getting the EEc tuned but.
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Old 06-02-2004, 03:48   #8 (permalink)
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Re: Modifying your MAF sensor - whats the go?

your converting MAP to MAF?
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Old 06-03-2004, 01:54   #9 (permalink)
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Re: Modifying your MAF sensor - whats the go?

yep.

remember that XR9UTE guy that was on here ages ago? i investigated his mustang computer+TwEECer into 4.0 I6 conversion, and i decided i liked it over other forms of aftermarket computers/tuning, so i am converting to a MAF sensor arrangement.

aparently the TwEECer gives full tuning ability for everything, including when the thermo fans turn on and off...i dont know if it will be a good change though, have to wait and see...but the I6 ford computer sucks for tuning ability IMHO, and for only a little more than a unichip i have something which in my opinion is a whole lot better.
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Old 06-03-2004, 02:13   #10 (permalink)
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Re: Modifying your MAF sensor - whats the go?

Quote:
Originally Posted by Rollin
yep.

remember that XR9UTE guy that was on here ages ago? i investigated his mustang computer+TwEECer into 4.0 I6 conversion, and i decided i liked it over other forms of aftermarket computers/tuning, so i am converting to a MAF sensor arrangement.

aparently the TwEECer gives full tuning ability for everything, including when the thermo fans turn on and off...i dont know if it will be a good change though, have to wait and see...but the I6 ford computer sucks for tuning ability IMHO, and for only a little more than a unichip i have something which in my opinion is a whole lot better.
whats insurance co. opinion on tweecer?
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