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A ques about MAF position in the Turbo

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Old Mar 6, 2002 | 12:44 PM
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89camaroRSV6's Avatar
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A ques about MAF position in the Turbo

hey guys ,

if i were to add a turbo setup...this is outta curiosity

I have a MAF sensor... would the MAF be before the intake of the turbo ...or between the turbo and teh intake manifold??

bcos im wondering if its between the turbo and the intake manifold?? i would have to make something to hold that plastic MAF from breaking apart...

thanx in advance guys

Last edited by 89camaroRSV6; Mar 6, 2002 at 12:46 PM.
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Old Mar 6, 2002 | 07:46 PM
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From: APO AP Japan
There are many arguments about the placement of the MAF in the turbo system. Most manufactuers place the MAF right after the air filter and prior to the inlet of the turbo. Some of us have moved the MAF to after the turbo and prior to the throttle plates on the Japanese vehicles (Skylines, 180sx, Silvia. Supra etc) This allows for the air being boosted to be measured a little more accurately although if you are running high levels of boost this will not be an option for you.

TC
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Old Mar 6, 2002 | 10:37 PM
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im plannign to get a T3 or T4 ...

i was just wondering ...

cos the plastic is really flimsy in the MAF for high pressure to go thru

i was thinkin of like 6-8lbs of boost
with an intercooler

not much more

what do you think ...
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Old Mar 6, 2002 | 10:39 PM
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i have more space in the engine bay than a v8 so i might even look at a supercharger...

what do u think ?
cos the MAF issue is really bothering me
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Old Mar 6, 2002 | 10:52 PM
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supercharger

the turbo idea is a good one but in all reality i've never seen or heard of a v6 camaro with a turbo, it'd be fun to be the first wouldn't it? anyways the maf will survive the pressure but they max out with a certain amount of air going threw them and they do no good for the computer as far as adjusting and adding fuel. Both a supercharger and a Turbo will do this. Your best bet would be to see if there is a DFI system for your car so u can go to speed density, that will solve your problem and u can run a turbo or blower, whatever u choose.
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Old Mar 6, 2002 | 10:56 PM
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yeah i already thought of going to the speed density... but im right now playing with the computer in my car and im soo used to it ...modifyign it that i dont wanna make the shift to the 7730 computer (speed density)

secondly i ould have to change a lot of things...

if i add a turbo now then my only problem is the MAF ....

yeah it looks like im the first venturing into this field...

yeah i know speed density takesaway this problem...

but what are the guys with MAF in the 80's camaro TPI with D1sc doing are they buying a special MAF ???

coos i knwo i share both the intake and MAF with the v8's
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Old Mar 6, 2002 | 11:15 PM
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well if you know how to do your own computer chips and all that u shouldn't have a problem with running a turbo or supercharger with a MAF sensor. I didn't mean to make it sound like u can't tune a car with MAF and a Supercharger, u can but its just more difficult than i and many others wanna venture into. best of luck to ya tho, make sure ya get some pics up when and if you do this project, you'll be suprising alot of v-8's with your blown v6.
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Old Mar 6, 2002 | 11:22 PM
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ive done some basic things with the chip like altering soome power functions and A?F ratios...

but it'll be a totally trial and error method for making the computer chipp...

cos BIN editiing isnt all that theory=practice..

anyways do u have a blown 350... in that case wheres teh MAF??

i know the 88 came with a MAF

so if i put the MAF before the turbo ill get wrong readings as in airflow...is it really possible to put it between the intake and turbo out... without having to take the possibility of breaking tanything...

i thought they had metal pipes aftehr the turbo ... will plastic work??
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Old Mar 7, 2002 | 11:04 AM
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I would put the MAF in the air intake ducting BEFORE the turbo.

That is how most of the supercharger manufacturers do it. It works.

Even if you kept a stock PROM, I think if you added an FMU you could tune it to get enough fuel.
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Old Mar 7, 2002 | 01:01 PM
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From: APO AP Japan
another option is to find a larger sensor with the same pinouts. This is also common practice in the Japanese vehicles, the 300ZX is a larger unit and handles twin t-28 garrets. Not saying it will work for you just saying that there are a lot of options, I have heard rumor the Granatelli units can be mounted. But like I said I am new to the MAF crowd on a V8 and I am doing away with mine with a Standalone when my turbos are mounted. Might be able to find out the mapping values in the DIY PROM board.

Sean
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Old Mar 7, 2002 | 02:04 PM
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if i understand correctly ... is FMU = Fuel Management Unit ??

ohhh and the stock bin will take teh turbo with like 6ps of boost safely??
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Old Mar 7, 2002 | 05:11 PM
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Yes, i have a blown 350 and the 88's did have MAF but i converted to speed density when i got my DFI setup. Guido is right, it is possible with a FMU(Fuel management Unit).
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