Uh oh... MAF Blow through/Draw through
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Old November 14th, 2011, 02:01 PM   #1
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Uh oh... MAF Blow through/Draw through


So I think my setup is wrong... this is the LMAF, attached to a MAFIA, that I have installed which I think was meant for draw through, but I think I'm running a blow through setup:




But I probably should've used this (which I have):



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Old November 14th, 2011, 02:03 PM   #2
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This is my setup... Filter, Bypass, Supercharger, Bypass/BOV, Intercooler, MAF, Throttle Body
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Old November 14th, 2011, 03:52 PM   #3
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Yes u r running a blow thru set up, it being a blow thru maf I can't say, can't reaally see what kind it is
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Old November 14th, 2011, 04:09 PM   #4
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Originally Posted by joswo1980 View Post
Yes u r running a blow thru set up, it being a blow thru maf I can't say, can't reaally see what kind it is
Thats what I was saying, it is a draw through Lightening MAF... what kind of issues am I going to run in to if I keep it like that? Can an experienced tuner work around this or do I need to bite the bullet and switch out the MAF?

When taking the lightening MAF sensor off the old one and putting it on the new blow through one, what all needs to happen? Is there a guide for this, I couldnt find one...
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Old November 14th, 2011, 04:14 PM   #5
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Baker ran a Lightning MAF with a MAFia in a blow through configuration and made high 500s. I'm running the stock MAF with a MAFia in a blow through configuration.
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Old November 14th, 2011, 04:23 PM   #6
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Originally Posted by Eagle2000GT View Post
Baker ran a Lightning MAF with a MAFia in a blow through configuration and made high 500s. I'm running the stock MAF with a MAFia in a blow through configuration.
Awesome... so there isn't any DRAW back really, other than slightly more accurate data for the ECU
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Old November 14th, 2011, 04:28 PM   #7
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Originally Posted by me2dumb4college View Post
Awesome... so there isn't any DRAW back really, other than slightly more accurate data for the ECU
Exactly, if its already tuned and running fine don't mess with it
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Old November 14th, 2011, 04:38 PM   #8
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Originally Posted by joswo1980 View Post
Exactly, if its already tuned and running fine don't mess with it
Currently running on a s/c sct tune, but going to dyno tune it this friday once i get my pulley situation resolved.
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Old November 14th, 2011, 04:47 PM   #9
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Originally Posted by me2dumb4college View Post
Currently running on a s/c sct tune, but going to dyno tune it this friday once i get my pulley situation resolved.
That being said if u got the money id go buy a slotted maf, there easier to tune with and give a lot better accurate readings,to give u the best tune possiable for ur car, ya u can run a lightning maf but ul never be at ur full potential
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Old November 14th, 2011, 04:49 PM   #10
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Originally Posted by joswo1980 View Post
That being said if u got the money id go buy a slotted maf, there easier to tune with and give a lot better accurate readings,to give u the best tune possiable for ur car, ya u can run a lightning maf but ul never be at ur full potential
That's what I'm saying, I got both... so I should probably swap it before I go and get this tune.
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Old November 14th, 2011, 05:03 PM   #11
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Oh ya deffintly!! didn't know u already had one, ul get such a better tune
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Old November 14th, 2011, 05:04 PM   #12
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And of ur tuner charges by hour ul save money to cause there easier to tune with
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Old November 14th, 2011, 05:09 PM   #13
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Originally Posted by joswo1980 View Post
And of ur tuner charges by hour ul save money to cause there easier to tune with
My tuner is tuning my car for free since he already charged his one time fee to tune (125 and I gave him my diablosports tuner), I'm just paying for dyno time, which is 100/hr or 350 for half day.

So I'll prob have my car dyno tuned out the door for under 300... killer deal if you ask me.
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Old November 14th, 2011, 05:12 PM   #14
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Ya that sounds great still put the slotted maf on ul get a way better tune
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Old November 14th, 2011, 07:20 PM   #15
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Originally Posted by joswo1980 View Post
That being said if u got the money id go buy a slotted maf, there easier to tune with and give a lot better accurate readings,to give u the best tune possiable for ur car, ya u can run a lightning maf but ul never be at ur full potential
Where do you get your information at? Neither maf is going to make anymore HP. If the LMAF is located correctly and the HPX is located correctly, the system has adequate pressure relief it will drive the same. The only condition that will cause the HPX to drive better is if the mafia is not adjusted correctly causing causing poor resolution.

If you already have an LMAF and a mafia just run what you have. Besides you already tune with CMR so running the mafia just makes sense.
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Old November 14th, 2011, 07:24 PM   #16
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Also.... I'm always one of the first to scream HPX on damn near anything because they work so well.... but an LMAF is also a very accurate maf meter. When used with a mafia they are a great package. The only reason the HPX is so appealing to me over the lmaf is because you dont need a mafia (less parts) and because they can be mounted in small places, directly before or after a bend and still provide great results. You can mount an HPX in places other mafs would crash and burn and it will work damn well.... but with a procharger air to air setup none of that is an issue. You have alot of space to work with so I say save your money and run the LMAF.
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Old November 14th, 2011, 07:49 PM   #17
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Originally Posted by Nitmare67 View Post
Where do you get your information at? Neither maf is going to make anymore HP. If the LMAF is located correctly and the HPX is located correctly, the system has adequate pressure relief it will drive the same. The only condition that will cause the HPX to drive better is if the mafia is not adjusted correctly causing causing poor resolution.

If you already have an LMAF and a mafia just run what you have. Besides you already tune with CMR so running the mafia just makes sense.
I said nothing about more or less or hp????? I simple stated they are easier to tune with and give more accurate readings which is true
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Old November 14th, 2011, 07:54 PM   #18
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And he also already has the slotted maf, he just asking if he should swap out his lighting maf and Mafia for the slotted maf THAT HE ALREADY HAS.
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Old November 14th, 2011, 08:21 PM   #19
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Originally Posted by joswo1980 View Post
And he also already has the slotted maf, he just asking if he should swap out his lighting maf and Mafia for the slotted maf THAT HE ALREADY HAS.
Yea i got both... the only issue would be running the line to the fender where the MAF is located. It reaches the LMAF just fine right now cuz of the MAFIA extension.
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Old November 14th, 2011, 08:35 PM   #20
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You said it will never run at its full potential....

You make alot of statements without any knowledge to back them up... Why would the HPX be more accurate? Please explain to me what makes the HPX more accurate than an LMAF... I know it has more range than the LMAF but accuracy is completely related to the size of the piping its installed in.... I dont care which maf he runs but it just seems like your spreading information without really knowing what makes one or the other better..... I've tuned several HPX cars and a bunch of cars with LMAFS. They both provide the same results if installed correctly. Actually the LMAF is more accurate alot of times because the range is adjustable with the mafia unlike the HPX.
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