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Thread: Warm Air Intake

  1. #41
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    That kind of stuff will probably help me next winter.
    In Canadian Maritime we have had like 2 full months below -20degres Celcius.
    I wasn't able to have a better mileage than 6.5l/100km in town, when right now with an average temperatur oh 25degres C, I'm around 4.5 to 5 l/100km in town.
    I will try the warm air intake next winter.


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        click to view fuel log View my fuel log 2014 Mirage DE 1.2 manual: 44.8 mpg (US) ... 19.1 km/L ... 5.2 L/100 km ... 53.8 mpg (Imp)


  2. #42
    Senior Member fifteenwindow's Avatar
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    I keep my WAI on year round. It helps the engine warm up faster, and I believe it gets me better MPGs. I use a scanguage 2, and the intake air temps are usually around 150 F once warmed up.

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        click to view fuel log View my fuel log 2014 Mirage DE 1.2 manual: 53.1 mpg (US) ... 22.6 km/L ... 4.4 L/100 km ... 63.8 mpg (Imp)


  3. #43
    Senior Member chris_top_her's Avatar
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    Thats a big burrito

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  5. #44
    Moderator Eggman's Avatar
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    Quote Originally Posted by live4redline View Post
    For a more permanent fixture you could always use a water to air "intercooler" with the water routed from the throttle body and back as its one of your better sources of early heat.
    Intriguing. I kinda like this idea, especially for cold weather operation. There should be a way to control the temperature.

    Hey live4redline - any suggestions on recommended equipment?

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 49.7 mpg (US) ... 21.1 km/L ... 4.7 L/100 km ... 59.7 mpg (Imp)


  6. #45
    Senior Member MightyMirageMpg's Avatar
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    Pretty much copied 15windows design today. Covered the wires with rubber hose, and made sure the duct wasn't touching anything it could chafe. I also tried starting the tape on fire just incase.

    Added front grill blocks.

    Cost was free, effort was low.

    Intake temps were 40* above ambient, which is about a 25* improvement. I've noticed they usually hover about 15 above.

    I know it's ugly.
    Attached Images Attached Images     

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  8. #46
    Senior Member Top_Fuel's Avatar
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    I've been working on a "stealth" warm air intake design. It brings in warm air from a pipe that comes in the back side of the air box. The other end of the pipe hovers about an inch above the exhaust manifold.

    The downside: You have to make a 2" hole in the back side of your air box.

    The upside: It's 1 piece, it's almost undetectable, it's reversible, the engine compartment remains completely stock looking, and it can be installed and uninstalled in less than 3 minutes with no tools, tape, etc.

    I'll have a write-up ready with pics later in the week.

    As far as blocking your grill goes...

    Unless you live where it's really cold right now, I think it's too warm to completely block your grill. I had mine about 90% blocked when temps were in the mid 40's and had to expose more of my radiator because my car would consistently hit 220 on extended interstate grades (even very slight grades). That's too hot for my taste.

    I am using lengths of 2" pipe insulation to block my grill. This stuff works great and it's cheap. It almost blends in completely with the grill. The other nice thing about this stuff is you don't need anything to hold it in place. Just wedge it in the rows of the grill. And if your car gets too hot, just pull over and pull off a strip of it. Until temps are regularly in the 30's or below, this is how much I am blocking my grill right now...

    Name:  grill_block.jpg
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    It's not pictured...but I have the complete upper opening in the grill blocked as well.

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 51.3 mpg (US) ... 21.8 km/L ... 4.6 L/100 km ... 61.6 mpg (Imp)


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  10. #47
    Senior Member MightyMirageMpg's Avatar
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    I agree the exhaust is a better option. Ideally ide like to be in the 120-125* intake temp values. But i like My grill block better because it's also aerodynamic

  11. #48
    Moderator Eggman's Avatar
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    Why not do both exhaust heat stove and grill block?

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 49.7 mpg (US) ... 21.1 km/L ... 4.7 L/100 km ... 59.7 mpg (Imp)


  12. #49
    Senior Member MightyMirageMpg's Avatar
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    Quote Originally Posted by Eggman View Post
    Why not do both exhaust heat stove and grill block?
    Initially the results were pretty disappointing, but i took a much longer ride today and i was seeing intake temps in the 100+ area, dropping too 90s on the freeway, with no cooling issues. If i had my tape with i would've maybe even tried blocking a bit more.

    maybe the whole works takes a while to get heat soaked or something? for someone who does lots of short trips, this is a pretty useless setup but it'll be ok for now.
    Attached Images Attached Images  

  13. #50
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    Quote Originally Posted by Eggman View Post
    There should be a way to control the temperature.

    any suggestions on recommended equipment?
    I'm not sure if this has been mentioned yet... To control the temperature you could try a valve like this Name:  0019755_cable-operated-15mm-58-brass-heater-valve.jpeg
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Size:  33.6 KB
    And control it with a simple heater control dial like this Name:  20090412_knob4.jpg
Views: 36
Size:  26.3 KBName:  20090412_knob2.jpg
Views: 36
Size:  29.1 KB. Or get real fancy and try to make it all automatic by a temperature switch and electric heater valve.



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