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Gauges: Mechanical vs Electrical #173853 May 6, 11:17pm May 6, 11:17pm
Joined: Apr 2004
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PolarisNV OP
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2000 Toyota Celica GT
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Gauges: Mechanical vs Electrical
Ok so i need to know the difference, i think this may have been posted before but i can seem to find that thread so could someone just tell me the difference between the two and how they work and then which is more efficient, thanks! thumbsup


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Re: Gauges: Mechanical vs Electrical [Re: PolarisNV] #173854 May 7, 2:54am May 7, 2:54am
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v3n0m
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v3n0m
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mechanical usualy use a vacum line to get their reading, which is sometimes not always correct

electrical just splice into an electrical line & are more accurate 'cuz they use electricity, instead of a mechanical device, such as a vacum line.

Re: Gauges: Mechanical vs Electrical [Re: v3n0m] #173855 May 7, 2:15pm May 7, 2:15pm
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do the electrical ones require sensors or what? or do most elec gauges come with that?


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Re: Gauges: Mechanical vs Electrical [Re: v3n0m] #173856 May 8, 9:59am May 8, 9:59am
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Originally Posted by v3n0m
mechanical usualy use a vacum line to get their reading, which is sometimes not always correct

electrical just splice into an electrical line & are more accurate 'cuz they use electricity, instead of a mechanical device, such as a vacum line.


That's sort of the right answer. Yes mechanical gauges use a vacuum line of some sort for their readings. But most electrical gauges (depending on what it is your "gauging") also use a vacuum line. The vacuum line just runs to an electrical sender which in turn runs to the gauge instead of just a vacuum line to a gauge. The reason most people would rather use electrical gauges for most things is that it keeps a vacuum line out of the interior of your car. Say you've got an oil pressure gauge; most people would rather have the vacuum line full out hot oil stay in there engine bay and just run to an electrical sender rather than mess around with a line full of hot oil running inside their car.


My lugnuts require more torque than my Honda produces.
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