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Thread: Twin Air Intakes? (Thought)

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    Regular Member mark1319's Avatar
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    Default Twin Air Intakes? (Thought)

    Been thinking about putting two air intakes on the car by modding a 1.8 and 2.0T one and fitting them both to help feed more air in. Not a big gain if any at all, but would help it breath better. Any thoughts?

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    Regular Member rushy's Avatar
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    Vehicle : SRi


    Engine : Z22SE (2.2 Petrol)

    Year : 2004

    Mileage : 137000

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    I would have thought that with one pipe the only place for the pressure to go is in the engine but with 2 the pressure created by the better flowing one would also escape through the least best flowing one if you see what I mean?!

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    Regular Member mark1319's Avatar
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    Yep know what your saying Rushy, just an idea I had and wandering is it worth actually doing or is there too many negatives to make a positive.

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    Regular Member Gsi3.2's Avatar
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    in the end the ultimate air that can be flowed is the air the AMF will allow.. so admitting more air into the airbox than the AMF can flow won't result in any gains..

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    Regular Member mark1319's Avatar
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    So it's worthless then? Oh and AMF????

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    Regular Member rushy's Avatar
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    Thing is I don't think it will make much difference really. Look at the big jap turbos. They have one mushroom filter for each turbo and there usually under the bonnet not in direct airflow. An N/A manifold works under a vacuum, so the engine sucks air in. Forced induction is also sucking the air in but the turbo is doing most of he work. Again thinking about the jap cars they all have large efficient inter-coolers which in affect puts more air into the combustion chambers by shrinking it. In affect what your after is getting more air in the as well. I'm definitely no expert on forced induction, far from it but I recon a more efficient inter-cooler is the way to go. Do you remember the thread by Nutron where he used a leaf blower to get more air through the air-box, if I remember rightly it gave no gains. I recon something like the Viper would help better than two pipes

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    Regular Member Gsi3.2's Avatar
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    AMF.. Read MAF and a 75 hr week already....

    AMF - air flow meter...MAF Mass air flow (sensor) ...same thing..

  8. #8
    Regular Member mark1319's Avatar
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    Quote Originally Posted by rushy View Post
    Thing is I don't think it will make much difference really. Look at the big jap turbos. They have one mushroom filter for each turbo and there usually under the bonnet not in direct airflow. An N/A manifold works under a vacuum, so the engine sucks air in. Forced induction is also sucking the air in but the turbo is doing most of he work. Again thinking about the jap cars they all have large efficient inter-coolers which in affect puts more air into the combustion chambers by shrinking it. In affect what your after is getting more air in the as well. I'm definitely no expert on forced induction, far from it but I recon a more efficient inter-cooler is the way to go. Do you remember the thread by Nutron where he used a leaf blower to get more air through the air-box, if I remember rightly it gave no gains. I recon something like the Viper would help better than two pipes
    Was looking at getting a Viper then this idea came to me, but looks like back to a viper. The intercooler has crossed my mind.
    Quote Originally Posted by Gsi3.2 View Post
    AMF.. Read MAF and a 75 hr week already....

    AMF - air flow meter...MAF Mass air flow (sensor) ...same thing..
    LOL Got you

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    Regular Member mark1319's Avatar
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    Just bought a K&N Apollo for £71

  10. #10
    Regular Member rushy's Avatar
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    Quote Originally Posted by mark1319 View Post
    Just bought a K&N Apollo for £71
    Nice! Have seen them in mags but never on an actual car. They look really smart with the added quality of being the tried and tested K&N.

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