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Thread: 2018 Mirage ditches the cold air guide (added in 2017)?

  1. #11
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    I'll experiment once I'm a bit better.


    Zero, my 2014 ES Plus gone but not forgotten. We're driving the Beetle of the 21st century

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        click to view fuel log View my fuel log 2017 Mirage ES PLus 1.2 manual: 39.0 mpg (US) ... 16.6 km/L ... 6.0 L/100 km ... 46.8 mpg (Imp)


  2. #12
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    I can't prove it, but I think cold air intake will give more power, as you can put more fuel/air mixture in the cylinder at the same pressure. Warm air will give a better mpg, as the ignition of the mixture doesn't have to warm up itself first, and so can reach a higher expansion per unit fuel.

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        click to view fuel log View my fuel log 2013 Space Star Cleartec Intense 1.0 manual: 52.3 mpg (US) ... 22.2 km/L ... 4.5 L/100 km ... 62.8 mpg (Imp)


  3. #13
    Administrator Daox's Avatar
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    That has always been my thinking as well Space Wolf. With a few minor exceptions like if the air gets too hot, it may need to retard ignition timing and that'll kill efficiency. But, I think to get to that point is pretty excessive.
    Custom Mirage products: Cruise control kit, Glove box light, MAF sensor housing
    Current project: Developing a rear sway bar alternative

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        click to view fuel log View my fuel log 2015 Mirage DE 1.2 manual: 41.7 mpg (US) ... 17.7 km/L ... 5.6 L/100 km ... 50.0 mpg (Imp)


  4. #14
    Senior Member IchabodCrane's Avatar
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    Contrary to my previous post my '17 does/did in fact have this deflector. I pulled it off today. One 10mm bolt and a plastic push rivet held it on.
    And just FYI.. The deflector is still there on the 2018 in the pic that starts this thread. If you zoom in on the far left of the latch mech you can see the push rivet that holds it on.
    I'm gonna run without it to see if I can match the economy of my '14 which didn't have it.
    *you can see tab and rivet like my second pic*
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    Last edited by IchabodCrane; 03-15-2018 at 10:16 PM. Reason: Additions
    Will weld for beer.

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        click to view fuel log View my fuel log 2014 Mirage SE 1.2 automatic: 45.3 mpg (US) ... 19.3 km/L ... 5.2 L/100 km ... 54.5 mpg (Imp)


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    Daox (03-16-2018)

  6. #15
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    I checked out a 2018 at our auto show, and it had the air deflector. The question is, can it be added to older models, and is there any benefit?

  7. #16
    Administrator Daox's Avatar
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    Thanks for the update IchabodCrane. It will be interesting to see if it makes a difference one way or the other.


    Custom Mirage products: Cruise control kit, Glove box light, MAF sensor housing
    Current project: Developing a rear sway bar alternative

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage DE 1.2 manual: 41.7 mpg (US) ... 17.7 km/L ... 5.6 L/100 km ... 50.0 mpg (Imp)


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