09-11-2011, 06:44 PM
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#1 (permalink)
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60+ mpg at posted speeds
Join Date: Mar 2011
Location: Coastal Southern California
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Choosing voltage meters?
Do you use one of those cigarette lighter battery voltage meters? Is it accurate? Which is most accurate? I would rather not buy a $80 dash-mounted meter, such as this, if I can get a reasonably good lighter plug-in, such as the "batteryGenius" or perhaps this. Know how accurate the cheaper ones are?
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Black and Green will be rebuilt over decades as parts die--until it becomes a different car. Goal is only 60-70 mpg at posted speeds. I'm not trying for highest possible mileage.
Calculators: standard deviation, Ohms Law, & drag HP losses.
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09-11-2011, 09:52 PM
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#2 (permalink)
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Master EcoModder
Join Date: Feb 2011
Location: houston
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GlowShift Performance Gauges & Gauge Pods - Volt Gauges
here is one half the price
it is where i plan to buy my gauges from
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The Following User Says Thank You to deathtrain For This Useful Post:
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09-12-2011, 10:06 AM
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#3 (permalink)
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...beats walking...
Join Date: Jul 2009
Location: Tucson, AZ
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...I have a Cyberdyne that's similar to that GlowShift, except it displays 'one-decimal' point, ie: XX.X VDC. A 'no-decimal' display is not accurate enough in my opinion.
...works great for "plug-n-play" diagnostics when trying to diagnose a "no-start" problem as being either (a) bad battery or (b) bad alternator.
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• 2011 Chevrolet Cruze LTZ 1.4LT 6A
• 2009 Pontiac Vibe 1.8L/SFI 4A
• 2004 Pontiac Vibe 1.8L/MFI 4A
• 2003 Ford Focus ZX5 2.0L/Zetec 4A
• 1971 Dodge Charger 318 3A
• 1970½ Plymouth AAR 'Cuda 340/6BBL 4M
• 1968 Dodge Charger 383 3A
• 1967 Plymouth Barracuda Formula S 383 4M
• 1965 Plymouth Barracuda Formula S 273 4M
Last edited by Old Tele man; 09-12-2011 at 02:31 PM..
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The Following User Says Thank You to Old Tele man For This Useful Post:
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09-12-2011, 01:33 PM
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#4 (permalink)
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DieselMiser
Join Date: Jun 2008
Location: Richland,WA
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People are getting $80 for a voltmeter with one decimal point or less !?!??? I'm in the wrong line of business.
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09-12-2011, 02:32 PM
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#5 (permalink)
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...beats walking...
Join Date: Jul 2009
Location: Tucson, AZ
Posts: 3,352
Thanks: 56
Thanked 330 Times in 249 Posts
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...old marketing slogan: "...a FOOL and his MONEY are soon PARTED..."
__________________
• 2011 Chevrolet Cruze LTZ 1.4LT 6A
• 2009 Pontiac Vibe 1.8L/SFI 4A
• 2004 Pontiac Vibe 1.8L/MFI 4A
• 2003 Ford Focus ZX5 2.0L/Zetec 4A
• 1971 Dodge Charger 318 3A
• 1970½ Plymouth AAR 'Cuda 340/6BBL 4M
• 1968 Dodge Charger 383 3A
• 1967 Plymouth Barracuda Formula S 383 4M
• 1965 Plymouth Barracuda Formula S 273 4M
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09-12-2011, 07:06 PM
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#6 (permalink)
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60+ mpg at posted speeds
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 1,190
Thanks: 384
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Quote:
Originally Posted by Old Tele man
...old marketing slogan: "...a FOOL and his MONEY are soon PARTED..."
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Hahaha! Thanks guys. I went with the glowshift because it is about the same price ($44 and free shipping) and since it is wired in instead of the cig lighter, I suspect maybe it will be more acurate. Don't really know, but since the price was similar... I took it.
Cheers,
james
__________________
Black and Green will be rebuilt over decades as parts die--until it becomes a different car. Goal is only 60-70 mpg at posted speeds. I'm not trying for highest possible mileage.
Calculators: standard deviation, Ohms Law, & drag HP losses.
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09-12-2011, 07:24 PM
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#7 (permalink)
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home of the odd vehicles
Join Date: Jun 2008
Location: Somewhere in WI
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I got a "12v" classic unit from harbor freight for $5 and it works great.
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09-12-2011, 10:12 PM
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#8 (permalink)
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60+ mpg at posted speeds
Join Date: Mar 2011
Location: Coastal Southern California
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Quote:
Originally Posted by rmay635703
I got a "12v" classic unit from harbor freight for $5 and it works great.
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I have seen people complaining that these cheap ones are not accurate, and I need to know it will be accurate and durable. The reason is I now have a deep cycle battery, will be plugging it in at night, shutting off the alt for 12-24 miles of driving. I will run the battery low, and I will need to know when to switch the alt back on. But I don't doubt yours may be great... can I have it? 
__________________
Black and Green will be rebuilt over decades as parts die--until it becomes a different car. Goal is only 60-70 mpg at posted speeds. I'm not trying for highest possible mileage.
Calculators: standard deviation, Ohms Law, & drag HP losses.
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09-13-2011, 12:23 PM
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#9 (permalink)
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DieselMiser
Join Date: Jun 2008
Location: Richland,WA
Posts: 678
Thanks: 16
Thanked 79 Times in 62 Posts
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if you wanted accuracy you should have bought a cheap $20 to $30 Digital Multimeter and taped it to your dash.
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09-13-2011, 01:13 PM
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#10 (permalink)
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60+ mpg at posted speeds
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 1,190
Thanks: 384
Thanked 166 Times in 113 Posts
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Quote:
Originally Posted by ConnClark
if you wanted accuracy you should have bought a cheap $20 to $30 Digital Multimeter and taped it to your dash.
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I have one. Don't want to tape anything to my dash. In fact, I'll be trying to integrate this one into my dash rather than mounting it. There are lots of open spaces for the optional items a DX did not get. I have a space more than large enough for the approx 1" wide digital display. Maybe it'll work.
__________________
Black and Green will be rebuilt over decades as parts die--until it becomes a different car. Goal is only 60-70 mpg at posted speeds. I'm not trying for highest possible mileage.
Calculators: standard deviation, Ohms Law, & drag HP losses.
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