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Mass Air Flow Sensors

This is a discussion on Mass Air Flow Sensors within the External Engine forums, part of the LSx Technical Help Section category; All Right I Know There's A Ton Of Opinions For These? Are They Really Worth Buying? Do They Really Give ...

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    Mass Air Flow Sensors

    All Right I Know There's A Ton Of Opinions For These? Are They Really Worth Buying? Do They Really Give You The 10-15 Hp They Say They Do? What Do You Guys Think?

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    Just me Y2KPewterSS's Avatar
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    The stock MAF is good up until 500 HP. The aftermarket ones don't give you 10-15 HP as claimed. There are tons of posts on this, you should do a search on it, but its a waste of your money to buy one.
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    98T/Aformula
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    Bigger is always better !!! Whatever you do DO NOT go with the SLP brand it makes my service engine light go on and off like christmas lights, and if you go bigger you could expect 3 ta 5 hp gain 10 ta 15 is pushin it. But aside to that did you ever get my PM on the electric cut out ?

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    Quote Originally Posted by 98T/Aformula View Post
    Bigger is always better !!! Whatever you do DO NOT go with the SLP brand it makes my service engine light go on and off like christmas lights, and if you go bigger you could expect 3 ta 5 hp gain 10 ta 15 is pushin it. But aside to that did you ever get my PM on the electric cut out ?
    YEAH I GOT IT.. THANKS MAN I ENDED UP GETTING IT JUST LIKE YOU SUGGESTED. I FORGOT TO WRITE BACK AND THANK YOU!

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    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by 98T/Aformula View Post
    Bigger is always better !!!
    I disagree.


    Stick with the stock MAF. It will flow more than enough air for over 500 RWHP.

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    yea definetly stay with your stock MAF. When my stocker broke i went with a slp but now am going back to stock for tuning reasons. The slp ones are supposedly a nightmare to tune, and they also lean your motor out which is baddddd!!!!!!!

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    So how exactly is it that the MAF works? Isn't it supposed to signal my car to suck in more air? Why is it so bad? I thought more air = more power!!!!????

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    Quote Originally Posted by SMOKIN WS6 View Post
    So how exactly is it that the MAF works? Isn't it supposed to signal my car to suck in more air? Why is it so bad? I thought more air = more power!!!!????
    it determines the amount of air entering the engine. It then uses that info to calculate how much fuel is necessary.

    problem is the aftermarket ones can lean out the engines which isn't good. Yes, leaning it out will probably make some power, but you don't want power from leaning your engine out.

  10. #10
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    The SLP unit is a factory GM piece (Z06) at 85mm so I don't understand the tuning factor? It should tune the same as a stock piece I would think.

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    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by SSTODD View Post
    The SLP unit is a factory GM piece (Z06) at 85mm so I don't understand the tuning factor? It should tune the same as a stock piece I would think.
    Different sensors, different readings.

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