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GTS4dood

By GTS4dood,
in Exterior & Interior Styling

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AzzurrA Grand Master

AzzurrA

Posted
Posted

okay...

Mechanical: The guage itself acts as the sensor... i.e. if you've got a Mechanical boost guage, the vacuum (boost) line will plug directly into the back of the guage, and this is used for the input for the readout...

Electrical: The guage gets its data from a seperate sender. I.e. in the example of a boost guage again, there would be a seperate sender mounted in the engine bay somewhere, that the boost line plugs into... the Sender then converts the boost pressure into electronic data, and transmits it to the guage, which then displays it for you...

So, in conclusion, if you're looking for things like Oil Pressure, Oil Temperature, Water Temperature etc, try and get Electronic, as nothing worse than driving along, and getting boiling hot oil squirted on your face if the line/guage fails or something.

(Well, thats my interpretation of things, someone feel free to correct me if i'm wrong)

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someonestolecc Grand Master

someonestolecc

Posted
Posted

The only mechanical gauge I'd have is boost.

Another way to think about it is the gauge needs smething to detect what it's actually reading right? something that detects the temp/pressure/whatever.

In an electrical, the sender sits in the engine bay and sends an electrical signal to the gauge by a wire to tell it what value to display with the needle.

With a mechanical, you have to take whatever you're measuring and plug it straight into the gauge.. so your oil line has to go into the cabin to plug into the gauge. Ugly stuff.

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Craved Grand Master

Craved

Posted
Posted

anyone seen the price of electric fuel pressure guages??? they are like $900 from autometer...

and only $160 for Mech style fuel pressure...

so you definately pay for it. but the std ones like oil pres. and temp are still cheap for electric guages.

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  • 2 weeks later...
GTS4dood Collaborator

GTS4dood

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Cheers! thats pretty clear. i think that electric autometer one can stay in the shop. thats ridiculous. i also saw one that was liquid filled? whats the go with that. it sold for $60 on ebay. i thought that sounded like a sweet price.

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chaos Grand Master

chaos

Posted
Posted
Ouch. I would NOT pay a. for american gauges b. that much.

Greddy electrical gauges go for 180-200 second hand on the forums. Funnily I have a water one ready to go (black face) if anyone wants (shameless plug).

Nengun have them around $220-$280 brand new.

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