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Thread: Use your Micra's block heater: save fuel, reduce wear, be more comfortable.

  1. #21
    Administrator MetroMPG's Avatar
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    Oh, excellent! Thanks, Paul!


        __________________________________________

        click to view fuel log View my fuel log 2015 Micra S manual: 5.0 L/100 km ... 56.5 mpg (Imp) ... 20.0 km/L ... 47.0 mpg (US) ...


  2. #22
    Administrator MetroMPG's Avatar
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    Just FYI, I once tested the time to warm my little engine (1.0L) with the OEM 300 watt heater vs. an inline 800w coolant heater:

    300 watt heater:



    800 watt heater:



    Note my 300w OEM heater isn't really comparable to the Micra's. The Micra's is likely (hopefully) a more effective frost plug installation (in the water jacket), where the Firefly's is an externally mounted heating element bolted to the block below the intake manifold.

    So you can see in my case it doesn't make much sense to plug in for more than an hour and a half, whether using 300 or 800 watts. At that point, heat loss equals heat input and I'm just wasting electricity.

    Usually I just plug in for about an hour.

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        click to view fuel log View my fuel log 2015 Micra S manual: 5.0 L/100 km ... 56.5 mpg (Imp) ... 20.0 km/L ... 47.0 mpg (US) ...


  3. #23
    Administrator MetroMPG's Avatar
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    Brr. Getting cold outside. Is anybody using the block heater yet?

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        click to view fuel log View my fuel log 2015 Micra S manual: 5.0 L/100 km ... 56.5 mpg (Imp) ... 20.0 km/L ... 47.0 mpg (US) ...


  4. #24
    Senior Member Pete's Avatar
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    I'm using mine but not all the time yet. Just rhe cold minus ten days and when we got blasted with a foot of snow. The micra block heater works so well it melts snow on the hood. I put synthetic oil in mine so I will use it more for clearing the Windows faster than for keeping my oil flowing. Mine has a metal clip on the cord with a hole in it where does that go? What's the proper routing? I have done through the grill, out the hood opening and out the bottom but none seemed right.

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    MetroMPG (12-01-2014)

  6. #25
    Administrator MetroMPG's Avatar
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    Thanks for the report - good to hear it works well.

    As for placement, I'd go through the grille if you can.

    I've used the hood placement before, but it always ends up flopping around and scuffing the paint.

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        click to view fuel log View my fuel log 2015 Micra S manual: 5.0 L/100 km ... 56.5 mpg (Imp) ... 20.0 km/L ... 47.0 mpg (US) ...


  7. #26
    Senior Member AlphaMicra's Avatar
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    Lower grille has bigger openings than the upper grille, but if you did the condenser coil protection as I did, it might just need to come out either through the hood or just under the bottom of the bumper.

    In our culture obsessed with absurd excess, the Nissan Micra is my counterculture car of choice.
    Be sure to visit my blog at mymicra.com!

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        click to view fuel log View my fuel log 2015 Micra SV manual: 6.4 L/100 km ... 44.3 mpg (Imp) ... 15.7 km/L ... 36.9 mpg (US) ...


  8. #27
    Senior Member Pete's Avatar
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    Well tonight will be a block heater night in my neck of the woods. The heater cord has a clip on it and its meant to go somewhere I just haven't found it yet.I am off on Wednesdays so I will take a real look then as every time I use the thing its dark and cold.
    Attached Images Attached Images  

  9. #28
    Administrator MetroMPG's Avatar
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    It's "block heater weather" any time between October and May, as far as I'm concerned

    Though the last 24h was the coldest we've seen so far around here lately (-12 this AM?).

    Is the clip shown in that photo?

        __________________________________________

        click to view fuel log View my fuel log 2015 Micra S manual: 5.0 L/100 km ... 56.5 mpg (Imp) ... 20.0 km/L ... 47.0 mpg (US) ...


  10. #29
    Senior Member Pete's Avatar
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    Yes it is at about eleven o clock or so from the rad cap and about an inch above where the loom ends and the braid begins on the block heater cord.

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    MetroMPG (12-02-2014)

  12. #30
    Administrator MetroMPG's Avatar
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    Aha - thanks, I see it. (My fault -- that side of the image was scrolled off the side of my view. Rookie mistake!)


        __________________________________________

        click to view fuel log View my fuel log 2015 Micra S manual: 5.0 L/100 km ... 56.5 mpg (Imp) ... 20.0 km/L ... 47.0 mpg (US) ...


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