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Corvette C3 oil warning light

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Old Jun 21, 2017 | 06:32 AM
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Default Corvette C3 oil warning light

Hi!

A short question:

Does a C3 from 1974 got a "low oil" warning light?
Or has is it only got the oil pressure gauge?

Last edited by cromwell74; Jun 21, 2017 at 06:33 AM.
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Old Jun 21, 2017 | 06:43 AM
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Originally Posted by cromwell74
...Does a C3 from 1974 got a "low oil" warning light?...
No. No C3s have a low oil light.

...Or has is it only got the oil pressure gauge?...
All C3s have an oil pressure gauge.
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Old Jun 21, 2017 | 06:50 AM
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Ok, I see.
Is it common that those oil pressure gauges are broken?
Are there any adapters for these ?
On a car that is for sale they have put a 1970 engine in a 1974 car and the oil pressure sensors are in a different places...

Last edited by cromwell74; Jun 21, 2017 at 06:57 AM.
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Old Jun 21, 2017 | 07:21 AM
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Would you dare to drive a car with a non-working oli pressure gauge for a longer time?
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Old Jun 21, 2017 | 02:26 PM
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Originally Posted by cromwell74
Would you dare to drive a car with a non-working oli pressure gauge for a longer time?
No!

The 1974 has an electric sender and gauge.
The 1970 has a mechanical gauge. (A tube from the block the the gauge.)
You need a matched set.
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Old Jun 22, 2017 | 02:11 AM
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The only requirements for having an oil pressure gauge that works properly in a C3 Corvette are:

The gauge is functional;

The sending unit is functional;

The sending unit and gauge are compatible;

The wiring (or tubing) connecting the gauge and sender are correct and functional.

That's it. You could install any year gauge/sender on any engine and it should work fine. The usual problems are a mismatch between the gauge and the sender; a defective sender; or defective wiring (or tubing, in the case of a mechanical gauge). The gauge being defective is the least likely fault.
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