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MAFT Positioning

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top_end95

20+ Year Contributor
589
0
Jan 23, 2003
Dallas, Texas
What are the advantages (if any) of having the MAFT at the intake rather than the UICP?
Reason I ask is because I see a few members do this and I wonder why. I don't consider it odd, since it is being positioned in the stock location. But, it seems like placing it on the UICP is the norm. Well, now Im just rambling, but any info would be appreciated.

Thanks for the space.
 
Because it will outflow/not over run like the stocky, and so they dont have to spend the $$$ for the blow thru intercooler piping.
 
you also have to remember that alot of people enjoy being able to vent, and having the maft in the uicp is an easy way to do that.
 
talon96tsi said:
you also have to remember that alot of people enjoy being able to vent, and having the maft in the uicp is an easy way to do that.

Are you not able to do so at the stock location?
 
98spydert said:
Do we really need to get into why it's bad to vent on the stock MAF?

No, no, no, no. Trust me, I know.
I was under the impression that he was talking about the MAFT.
 
98spydert said:
And having the GM MAF in the stock MAF position is a disadvantage as far as venting. He's asking about any advantages ;) Reading comprehension rules!

How is it a disadvantage by having the MAFT in the stock location?
 
top_end95 said:
How is it a disadvantage by having the MAFT in the stock location?
There is no stock location for the MAFT.. Ther is for the MAF but there was no MAFT on the car stock duh. :rolleyes:

BTW, having the MAF before the turbo is bad because if you vent to the atmosphere, it still counts the air being vented and causes a rich condition... Never ask that again newb.
 
dsm10sec said:
There is no stock location for the MAFT.. Ther is for the MAF but there was no MAFT on the car stock duh. :rolleyes:

BTW, having the MAF before the turbo is bad because if you vent to the atmosphere, it still counts the air being vented and causes a rich condition... Never ask that again newb.

Placing it in the stock location of the MAS :rolleyes:
Reading comprehension>You.

Nice edit.
 
dsm10sec said:
There is no stock location for the MAFT.. Ther is for the MAF but there was no MAFT on the car stock duh. :rolleyes:

BTW, having the MAF before the turbo is bad because if you vent to the atmosphere, it still counts the air being vented and causes a rich condition... Never ask that again newb.
I dont think he believes there is a stock maft, he means in the stock location of the mas. You can put the maft either in the uicp or in the stock mas location. when putting it in the uicp you can vent to the atmosphere without any negative effects like running rich.
 
4g63tsiawd said:
I dont think he believes there is a stock maft, he means in the stock location of the mas. You can put the maft either in the uicp or in the stock mas location. when putting it in the uicp you can vent to the atmosphere without any negative effects like running rich.

Thanks for the info.

Are there any benefits on running it on the stock location? Tuning wise?
 
top_end95 said:
Thanks for the info.

Are there any benefits on running it on the stock location? Tuning wise?

No, none. Having the GM MAF as close the the throttle body as possible gives you the most accurate air count, making it easier to tune and making the car run a hole lot smoother.
 
98spydert said:
No, none. Having the GM MAF as close the the throttle body as possible gives you the most accurate air count, making it easier to tune and making the car run a hole lot smoother.

^^^

If you put a GM MAFT on a car in a stock location for any other reason than that you don't want UICP piping made, you're a moron.
 
98spydert said:
No, none. Having the GM MAF as close the the throttle body as possible gives you the most accurate air count, making it easier to tune and making the car run a hole lot smoother.

pretty much what 98spyder said is true. if the MAFT is before the turbo, their are a lot more places for leaks and what not. having the MAFT close to the TB allows for a much more accurate reading of how mcuh air is actually going into the engine, thus allowing better measurement for better tuning and venting thats about the only advantage. ohh yeah i forgot to add i did read somewhere where someones intercooler pipe blew off, but since he had his maft near the TB he was able to get home driving in vacuum:) just something to think about. good luck with your set up
 
d_tsiawd said:
ohh yeah i forgot to add i did read somewhere where someones intercooler pipe blew off, but since he had his maft near the TB he was able to get home driving in vacuum:)
This is absolutely true. If you ever wanted to (or had to) drive N/A for any period of time, you could always open up your wastegate and pull your IC pipe off. Then you can drive where you need to go (although if you're going to do this for more than just to get home, you're going to want to adapt your filter to it.)
 
:rolleyes:
The GM MAF is a hotwire maf. It does airflow calulations based on change in heat.
Turbo's heat air.
Do you really think one before the turbo and one after the turbo will read identical numbers.
The one before the turbo will read more air and add more fuel.
One after will read less air and add less fuel.
 
just got one installed in my upper ic pipe after bov so I could vent.


even though the maf is extremely unrestrictive, I think it is a good idea to put it in the upper ic pipe for the reason of having 0 restritions bettween the turbo and airfilter.
 
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