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Thread: Developing a MAF sensor housing for custom air intakes

  1. #11
    Where's 6th? BecauseRaceCar's Avatar
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    You could try sand casting it in aluminum. I was just thinking about this today.


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        click to view fuel log View my fuel log 2015 Mirage DE 1.2 manual: 38.6 mpg (US) ... 16.4 km/L ... 6.1 L/100 km ... 46.4 mpg (Imp)


  2. #12
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    Quote Originally Posted by Daox View Post
    Any suggestions or guesses on how to make it?
    Find a job shop/fab shop locally, try to find one with a tube laser. Give them a call, send that CAD drawing and ask for a quote.


    If I had access to a tube laser I'd have that knocked together in 30 minutes. It would of course be metal, not plastic.

    Actually...

    Can you post a dimensioned drawing of that part? Especially the flange that the MAF sensor mounts to?

  3. #13
    Administrator Daox's Avatar
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    Quote Originally Posted by Kiwi View Post
    3d printer?
    Kiwi wins!

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    For a few months now I've been borrowing a buddy's 3d printer. I've been tinkering around with it, designing and making a few parts for a few different cars. This is the next part on my list of things to make.



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    So, this weekend, after modeling up the MAF housing, I printed one out. It turned out pretty nice if I must say so.




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    As you can see, its made in two pieces. The two pieces will be bonded together so it is one solid piece.
    Custom Mirage products: Cruise control kit, Glove box light, MAF sensor housing, Rear sway bar, Upper grill block

    Current project: DIY Nitrous oxide setup for ~$100

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage DE 1.2 manual: 46.5 mpg (US) ... 19.7 km/L ... 5.1 L/100 km ... 55.8 mpg (Imp)


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    91cavgt (03-11-2015),Kiwi (03-12-2015),RedRage (04-28-2016)

  5. #14
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    Fantastic crafting skills Daox,

    I am assuming that it will hold up against the heat in the engine bay? I'm going to be watching this.

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        click to view fuel log View my fuel log 2014 Mirage ES 1.2 manual: 45.8 mpg (US) ... 19.5 km/L ... 5.1 L/100 km ... 55.0 mpg (Imp)


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  7. #15
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    Hmmmm......... I like it!!!



    It would not take much to look up the specs of the plastic used in the 3D printer to see what kind of temperature tolerance it has. This would be perfect for those of us wanting to build our own intake without hacking up our stock air box or spending more than we have to.
    Certified holder of useless car knowledge.

  8. #16
    Administrator Daox's Avatar
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    Thanks guys!

    The plastic printed material is ABS. According to wikipedia:

    http://en.wikipedia.org/wiki/Acrylon...adiene_styrene

    For the majority of applications, ABS can be used between −20 and 80 C (−4 and 176 F) as its mechanical properties vary with temperature.
    In normal operation I highly doubt it'll be an issue.

    The worst case scenario really is the hottest day in summer right when you turn the car off. There won't be any airflow through the housing to cool it, and the engine bay will be heat soaking. Still, I'm quite sure it'll be fine. 176F is very close to engine operating temps, and I can't see the engine bay getting that hot, especially away from the exhaust.

    However, to be sure, I am going to test some ABS in the near future with a heat gun and IR thermometer and see how it reacts if it does indeed get up beyond 176F. I'll post those results.

    Good question though!
    Custom Mirage products: Cruise control kit, Glove box light, MAF sensor housing, Rear sway bar, Upper grill block

    Current project: DIY Nitrous oxide setup for ~$100

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage DE 1.2 manual: 46.5 mpg (US) ... 19.7 km/L ... 5.1 L/100 km ... 55.8 mpg (Imp)


  9. #17
    Administrator Daox's Avatar
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    I did some additional digging on the heat issue. I found a paper where they tested under hood temperatures. I snagged a pic of the worst vehicle and highest temps.

    Short story, it won't be an issue unless you have the habit of idling your car at elevated rpms for almost an hour.

    Here is the paper: http://www.mvfri.org/Contracts/Final...atures%201.pdf

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    Custom Mirage products: Cruise control kit, Glove box light, MAF sensor housing, Rear sway bar, Upper grill block

    Current project: DIY Nitrous oxide setup for ~$100

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage DE 1.2 manual: 46.5 mpg (US) ... 19.7 km/L ... 5.1 L/100 km ... 55.8 mpg (Imp)


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  11. #18
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    Not to mention that if you mount the MAF housing on the front side of the engine, even if you had the car at idle and raised rpm for an extended period, the cooling fans for the radiator would keep the temp low enough to not be an issue. Even after shutting the car down, there will still be a slight amount of air coming through the radiator just from the air trying to equalize temp from the difference in under hood temp to outside ambient air temp.

    I would not however trust it if you mounted it over the exhaust manifold.
    Certified holder of useless car knowledge.

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    When its ready,and if you plan on producing it, i will buy atleast one!

        __________________________________________

        click to view fuel log View my fuel log 2014 Mirage es 1.2 manual: 43.7 mpg (US) ... 18.6 km/L ... 5.4 L/100 km ... 52.5 mpg (Imp)


  14. #20
    Senior Member Rival Autosport's Avatar
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    Man, I thought I was the only one on this. I already have my blueprints and about to weld together a prototype out of aluminum to sell as part of an intake system. I figured a complete system makes things easier for the end buyer rather than sourcing all of the parts from all over. More interest is better though.


    Last edited by Rival Autosport; 03-12-2015 at 12:39 AM.

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