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General Fuel Economy Discussion Ask the gas gurus about increasing fuel economy. Post ideas and ask for advice. For testing help, use the "Experiments" forum.

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Old 07-12-2007, 06:08 PM   #1
88HF
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Supermid installed

Installed the supermid, I've been testing with it. The km/h readout does not work, but it still reads out l/km traveled. Its somewhat mind boggling. At any rate, I don't need a km/h readout as long as it is giving me acurate or at least proportional numbers. My eyes have been darting to it constantly. I am a pretty focused person when driving, and often I can't split my attention with conversation, but I've always been keenly aware of my gauges. Another gauge to watch! yay! Here are some pictures of the setup and first, I'm sure, inaccurate numbers:

DRIVE 1:

DRIVE 2:

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Old 07-12-2007, 07:49 PM   #2
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Congrats on the installation! What an eye-opener, eh?
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Old 07-12-2007, 07:51 PM   #3
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I just hope I'm not misinterpreting the information. But I'm excited.
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Old 07-12-2007, 09:50 PM   #4
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Did you use the speed signal coming form the stock cluster? If so, how does the Supermid calibrate to this signal? Do you then have to enter injector size?
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Old 07-12-2007, 10:36 PM   #5
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I used the stock cluster, yes. The Km/H indication doesn't work, but this may be because I didn't set the clock? The Km traveled does click along quite nicely. I did not do any calibration yet. Actually I need to top off my tank and restart because when the cluster was out I accidentally hit the trip reset. My most recent journey to pick up my g/f:
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Old 07-12-2007, 10:38 PM   #6
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The reason I have such good current 1Km/L is because I coast a loooong way into my street with EO. Its pretty awesome! Oh, I know the calibration is off, because I'd be getting close to 50 on that first trip. Watching the gauge I've been trying to get it higher every time.
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Old 07-12-2007, 11:26 PM   #7
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Congratulations!
The average speed is 43 km / 42 hours = 1 km/h.
Why don't you reset the values or use the "S" channel?

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Old 07-13-2007, 12:12 AM   #8
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I'm so glad you designed the Supermid. I don't understand all the functions yet. I have links to the information portal and posts regarding installs, but I am still not very literate on its features. Yoshi, you are awesome. I wish I had installed it sooner. SVOboy sent it to me just before he left for Japan.
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Old 07-13-2007, 04:56 AM   #9
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Yoshi - do these new SuperMIDs have the feature that the calibration affects all the litre / km numbers?.

88HF - if not, it might be an idea, to make up a table so that you know how many real litres a SuperMID litre is, and how many miles a SuperMID km is.

This is what I have done on mine ; (FYI, 1.6 uncalibrated SuperMID litres is 1 litre in real life on my car, and 1.0 uncalibrated SuperMID km is 1.2 miles in real life!.

I have then just continued to push for higher and higher numbers - on my car, 6.9km/l (SuperMID) = 60MPG (imp). I haven't bothered to calibrate it as I am happy with it as it is!

P.S. 50% engine-off is pretty good
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Old 07-13-2007, 09:16 AM   #10
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I've already figured out what I'll change the Km perimeter to. I don't know about the fuel parameter. I like EOC, Whenever it boosted my mileage 5mpg in my truck, I knew it really worked. Maybe we get longer coasts when traveling below sea level.
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Old 07-13-2007, 01:24 PM   #11
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Took another trip for snowballs, the battery died at a red light when I hit the starter . I really don't think I use the starter that much, but it was a lot of stop and go so I'm kinda doing it subconsciously now. I used to worry about people wondering why I was starting my car, but I don't care now. Pic:

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Old 07-15-2007, 02:28 AM   #12
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72.32mpg readout/9.87mi

Latest Mid results... for those who don't want to calculate... 72.32mpg for 9.87mi and the only hills around here are on the interstate... not to mention I've calculated that my mileage has to be adjusted 8.88% higher and fuel is reading too high, which should mean better than stated.



You can see I actually went twice as far as the post above on less gas.
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Old 07-16-2007, 10:33 AM   #13
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Hi all,
To be late...
Quote:
Originally Posted by landspeed View Post
Yoshi - do these new SuperMIDs have the feature that the calibration affects all the litre / km numbers?.
It does not have the left side of channel switch which means an old one.
The program has not been changed.

It looks the average km/h problem was solved.
I assume 88HF connects 12V power line always ON place and left it about 40 hours.
My recommendation is connect it to ACC line.

Anyway, the 49% engine on % is very good, I think.
Are you doing engine-off coasting?

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Old 07-16-2007, 02:04 PM   #14
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I have it tapped off the interior lighting circuit because I don't want it reseting if I have to use key off while driving. Yes, I'm doing EOC. I think there is something wrong with my car though. Possibly the injectors, because the highest mpg I can get at 50mph is 40ish and I should be getting 50s easy in the HF model. I still have to calibrate the supermid, its even worse as of yesterday because my dad changed something and the supermid is reporting double mileage somehow.
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