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MAF after turbo

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Old Oct 20, 2010 | 06:22 AM
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From: Boston MA
MAF after turbo

Is it possible to put the MAF sensor on the charge pipes, after the turbo? like this diagram:


Reason i ask is because i want to run a filter directly off the turbo inlet so i can keep my battery in place! This should work fine right? The stock MAF should be able to read correct at 5 PSI with out ruining the sensors structure right?

Last edited by Mitsu.kid.02; Oct 20, 2010 at 06:32 AM.
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Old Oct 20, 2010 | 06:24 AM
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From: M104
http://www.maftpro.com/

Let me know if you want to buy mine cheap.
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Old Oct 20, 2010 | 06:33 AM
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Originally Posted by olmoscd
http://www.maftpro.com/

Let me know if you want to buy mine cheap.
Whats that?? I dont need that to tune the sensor i think, im using a tactrix cable
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Old Oct 20, 2010 | 06:50 AM
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At 5psi it might work, but on the Evo side of things the MAF will not function correctly under pressure. I want to say it skews the MAF reading, but also really plays hell on the Baro readings that also come from the MAF.

To properly run a blow-through MAF setup, you'd want to upgrade to a GM MAF and run the MAF-T Pro.
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Old Oct 20, 2010 | 07:00 AM
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From: Boston MA
Originally Posted by TouringBubble
At 5psi it might work, but on the Evo side of things the MAF will not function correctly under pressure. I want to say it skews the MAF reading, but also really plays hell on the Baro readings that also come from the MAF.

To properly run a blow-through MAF setup, you'd want to upgrade to a GM MAF and run the MAF-T Pro.

Oh ok, hmm... but wouldnt the suction pre-turbo be the same on the sensor as the pressure after the turbo? Its still sucking in alot more air than N/A, know what i mean? But if its going to throw readings off and what not its prob not worth moving it then.
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Old Oct 20, 2010 | 07:52 AM
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Originally Posted by Mitsu.kid.02
Oh ok, hmm... but wouldnt the suction pre-turbo be the same on the sensor as the pressure after the turbo? Its still sucking in alot more air than N/A, know what i mean? But if its going to throw readings off and what not its prob not worth moving it then.
Yeah, real question is why do you want to move it. I think the only sane options should be leave it, or delete it using speed density. I've not seen anyone on a base lancer run speed density yet, but I'd like to hear from whoever does run it on whether it has given you positive results.

Why move the maf though, what brought this about? Just the battery thing? get an evo tray and call it a day.
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Old Oct 20, 2010 | 08:05 AM
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You'll have to use a 3.5" GM MAF. The translator is easy to install and it has low, mid, high fuel trims and then idle. It's pretty easy to setup. Then you just adjust your fuel tables a bit and you're done.
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Old Oct 20, 2010 | 09:04 AM
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Originally Posted by HornstarBU
Yeah, real question is why do you want to move it. I think the only sane options should be leave it, or delete it using speed density. I've not seen anyone on a base lancer run speed density yet, but I'd like to hear from whoever does run it on whether it has given you positive results.

Why move the maf though, what brought this about? Just the battery thing? get an evo tray and call it a day.
or move it to the trunk
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Old Oct 20, 2010 | 10:10 AM
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Originally Posted by sawulkn
or move it to the trunk
or mini battery
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Old Oct 20, 2010 | 10:35 AM
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From: Boston MA
Originally Posted by HornstarBU
Yeah, real question is why do you want to move it. I think the only sane options should be leave it, or delete it using speed density. I've not seen anyone on a base lancer run speed density yet, but I'd like to hear from whoever does run it on whether it has given you positive results.

Why move the maf though, what brought this about? Just the battery thing? get an evo tray and call it a day.
Yeah i only wanted to move it so i could fit a filter directly off of the turbo and not have to move the battery! Speed density is when you delete the MAF and install a MAP sensor on the TB or something right? I have to research more about it and why you would want to do it

Originally Posted by olmoscd
You'll have to use a 3.5" GM MAF. The translator is easy to install and it has low, mid, high fuel trims and then idle. It's pretty easy to setup. Then you just adjust your fuel tables a bit and you're done.
Ill prob just let it stay where it is! Thanks for the info tho

Originally Posted by sawulkn
or move it to the trunk
I was going to do that, i prob will end up doing that, but i was looking for ways around that.

Originally Posted by link62
or mini battery
Thats another good idea

Last edited by Mitsu.kid.02; Oct 20, 2010 at 10:37 AM.
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Old Oct 20, 2010 | 12:27 PM
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if your running it after the turbo my main concern would be about oil getting in the maf sensor
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Old Oct 20, 2010 | 12:36 PM
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From: Boston MA
Originally Posted by steven121
if your running it after the turbo my main concern would be about oil getting in the maf sensor

Ya true.. i dont think about that.. im just going to leave it how it is i think, it was just an idea i was uncertain about
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Old Oct 20, 2010 | 01:11 PM
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From: Austin, Tx
Originally Posted by Mitsu.kid.02
Ya true.. i dont think about that.. im just going to leave it how it is i think, it was just an idea i was uncertain about
yup, curousity never killed anyone, so no harm in looking right?

Also, the evo battery tray does bolt up directly to our lancer engine bay, holes already there.
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Old Oct 20, 2010 | 01:30 PM
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From: Boston MA
Originally Posted by HornstarBU
yup, curousity never killed anyone, so no harm in looking right?

Also, the evo battery tray does bolt up directly to our lancer engine bay, holes already there.

Cool evo 8? ill search around!
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Old Oct 20, 2010 | 03:44 PM
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From: Austin, Tx
Originally Posted by Mitsu.kid.02
Cool evo 8? ill search around!
yeah, it's what JRR used and what I have and will be using shortly.
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