My new gauges!

Audio, Electronics and Lighting questions and answers

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AJ
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Postby AJ » Sat Jan 12, 2008 8:28 pm

i'm not 100% sure, but i think there is a light as well............i'm only going on hazy memory from what i've read on here........basically your gauge is a glorified idiot light
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JBT
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Postby JBT » Sat Jan 12, 2008 9:15 pm

The oil pressure gauge changed to an idiot light type gauge from 1995. The earlier cars had real gauges.

The NC has one that moves up and down but it is a glorified idiot light in that it artificially acts like a real gauge - gets input from RPM, ECU and oil pressure. It will, like the other cars, read zero if oil pressure fails.

I don't think the NC has an oil pressure light as a back up warning and the NA/NB models certainly don't. However, I have only heard of one oil pressure failure. It was in the US - mechanics didn't tighten the sump plug and it unscrewed on a freeway - one dead NC.
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AJ
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Postby AJ » Sat Jan 12, 2008 10:37 pm

wouldn't matter how good your pressure gauge is in that case tho, no accounting for idiots :?
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TieNN89
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Postby TieNN89 » Sat Jan 12, 2008 11:14 pm

hang on let me get this right

so if my oil pressure is low then the needle would be on the low but other than that it would just be where it is
right?

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Postby Ajay » Sun Jan 13, 2008 8:53 am

FYI: Gauge on the left is Oil Temp :)
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JBT
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Re:

Postby JBT » Sun Jan 13, 2008 9:19 am

AJ wrote:wouldn't matter how good your pressure gauge is in that case tho, no accounting for idiots

Absolutely correct AJ. However, a warning light might catch one's attention early.....but even then not enough to stop permanent damage. IIRC, this car was dríven until significant loss of power was evident.

AZNTieN wrote:...so if my oil pressure is low then the needle would be on the low but other than that it would just be where it is
right?

The "idiot light" oil pressure gauge on the NA/NB will always indicate the same pressure (normally over half way across the gauge face) once it rises above a few PSI. If it reads 0 (zero, far left of gauge) then the gauge and/or sender is screwed or you have no (nil, zero) oil pressure.
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AJ
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Postby AJ » Sun Jan 13, 2008 9:42 am

the thing that amazes me john, is that people can drive a car that is spewing oil out underneath which would a) stink like a bastard, b) get plastered along the exhaust of the car & smoke like a chimney & c) the temp gauge would pretty much immediately start to rise with the loss of oil.....along with what you said, a significant loss of power, but they can blithely keep driving it till it stops :?
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JBT
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Postby JBT » Sun Jan 13, 2008 12:47 pm

Yep, some people have such a lack of mechanical empathy and common sense that they'd need an automatic engine shutdown device to save them.
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TieNN89
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Postby TieNN89 » Sun Jan 13, 2008 1:04 pm

hehe maybe i should get some gauges in
with a working oil pressure gauge

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Re:

Postby Benny » Wed Jan 16, 2008 4:36 pm

AJ wrote:the thing that amazes me john, is that people can drive a car that is spewing oil out underneath which would a) stink like a bastard, b) get plastered along the exhaust of the car & smoke like a chimney & c) the temp gauge would pretty much immediately start to rise with the loss of oil.....along with what you said, a significant loss of power, but they can blithely keep driving it till it stops :?


I don't think that most normal drivers even look at their instruments, and if they did, they wouldn't know what they were looking at anyway.

That's why you see so many people driving at night without their lights on.
They don't bother to look at the dashboard, and don't even realise they can't see their instruments.
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Re:

Postby lowmiata » Wed Jan 16, 2008 10:34 pm

Ajay wrote:FYI: Gauge on the left is Oil Temp :)


FWIW I had a vacum gauge in my car once!

the rest is history! look forward to changing that puppy!
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Re:

Postby Uncle Arthur » Thu Jan 17, 2008 11:07 am

lowmiata wrote:
Ajay wrote:FYI: Gauge on the left is Oil Temp :)


FWIW I had a vacuum gauge in my car once!



Technically speaking - you still do - only now it reads BOOOOOST!!!!!!! :D
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Ajay
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Postby Ajay » Sat Jan 19, 2008 9:10 am

vaccum is the only one i have hooked up atm as it was easy to do.. they look good at night though ..

too bad i cant understand them :lol:
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Re:

Postby lowmiata » Mon Jan 21, 2008 12:20 am

Ajay wrote:
too bad i cant understand them :lol:


Vaccum SUX literally!

(vaccum pressure is the amount of pressure your engine is sucking in)
@ WOT it will read high as your sucking lots of air

@ Idle it will show close to 0 as your sucking very little at cruise depending on gear/rpm it will be in the middle

Vaccum gauges were OE on 4cyl commodores in the early 80's :mrgreen: (useless fact)

turbo the puppy and get a boost gauge which is a vaccum gauge which will read boost as well
it just sweeps from boost to vaccum when the throttle body is closed
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JBT
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Postby JBT » Mon Jan 21, 2008 9:30 am

@ WOT it will read high as your sucking lots of air

@ Idle it will show close to 0 as your sucking very little at cruise depending on gear/rpm it will be in the middle

Other way around LM. High vac at idle and over run, low vac at WOT.
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