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Old 05-20-2008, 01:12 PM   #1
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Aftermarket Miles Per Gallon Gauge

I ran across this gadget while surfing recently. Here's the URL:
ScanGauge review: Save gas by adjusting nut behind the wheel
The article seems very positive, but it is preceded by something suspicious;
"Run your car on water...", so I am a little hesitant about the whole thing.
Has anyone had experience with this device?
regards
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Old 05-20-2008, 03:11 PM   #2
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A vacuum guage will do same thing,the more vacuum you are pulling ,the better gas milage you are getting.Or pretend you have an egg between your foot and the gas pedal,if you don`t break the egg you should be getting good milage. Dave
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Old 05-20-2008, 04:16 PM   #3
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Quote:
Originally Posted by herrgirdner
I ran across this gadget while surfing recently. Here's the URL:
ScanGauge review: Save gas by adjusting nut behind the wheel
The article seems very positive, but it is preceded by something suspicious;
"Run your car on water...", so I am a little hesitant about the whole thing.
Has anyone had experience with this device?
regards
These were at the heart of a scam to use acetone as a fuel additive to increase your fuel mileage, along with a few other such 'snake oil' type devices. Google 'acetone fuel additive' an see what I mean. I even tried it for a while....and my mileage actually went DOWN!.

While the SG II will probably give you an instant read-out on your mileage, it is just that......'instant' and usually doesn't apply over the long run. I use the fool-proof method: miles driven divided by gallons used. Can't go wrong...
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Old 05-20-2008, 04:19 PM   #4
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I use an even easier method - I ignore gas mileage. In my mind driving a full size pickup and towing a travel trailer is not consistent with worrying about fuel mileage.
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Old 05-20-2008, 07:43 PM   #5
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Yeh, Lew, I keep a history of my fuel consumption on all my vehicles, and also log tire rotations, oil changes, etc. But, since I own a Prius, I have grown to like the realtime consumption meter. It's almost as accurate as the logbook.
tks
and regards
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Old 05-20-2008, 08:02 PM   #6
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Can I at least use a hardboiled egg?
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Old 05-20-2008, 09:18 PM   #7
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If you want to get something like this, you can just get a vacuum mileage meter and mount it on the dash. The higher the vacuum, the better the mileage.
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Old 05-20-2008, 09:46 PM   #8
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I agree with you about the vacuum gauge, but wonder how it would work on my 5-cylinder turbocharged diesel. I think plugging something into the diagnostic port would be simple enough for even me.
I just wondered if anyone has tried it the SGII.
regards
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Old 05-21-2008, 09:48 PM   #9
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I see the Scangauge used quite often on boards oriented towards diesel and gasoline performance. I think it would be a nice toy to have.
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Old 05-22-2008, 04:32 AM   #10
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My old 1996 Powerstroke diesel doesn't have the electronics needed to use a scan gauge. So, I keep an eye on my exhaust-gas temperature and boost gauges. These show how much fuel the engine is burning (EGT = heat produced through fuel burn) and how much demand is being ordered-up at any given time (turbo boost = demand for power). The lower the readings, the better for mpg conservation. They replace the vacuum gauge I used to use on a gasoline engine.
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Old 05-22-2008, 09:43 AM   #11
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Rednax:
Since this topic does not appear to be of general interest, could you please PM me the URL(s) of the forums where the SGII is discussed?
Tks
and
regards
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Old 05-22-2008, 09:32 PM   #12
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Quote:
Originally Posted by herrgirdner
Rednax:
Since this topic does not appear to be of general interest, could you please PM me the URL(s) of the forums where the SGII is discussed?
Tks
and
regards
PM coming your way after a search.
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