Analog gauge displays hotter temp than digital gauge on 96 Corvette

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DC - 04 Feb 2006 13:36 GMT

Like others on this forum, we have noticed that our analog temp gauge
was creeping up close to the hash marks when we were stuck in traffic
(bridge opening). When we switched to our digital temp gauge, we found
the temp was cooler than the analog and was not near an overheat temp.
The difference between the two increases as the analog temp increases.
Which gauge is more likely to be accurate since they can differ by as
much as 10 degrees? Please respond. Thanks.

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Bob I - 04 Feb 2006 15:14 GMT

The "gage" sensor is mounted in the passenger side of the block while
the "digital" sensor is on the front. Reving the engine should reduce
the "temperature difference" due to faster coolant circulation.

> Like others on this forum, we have noticed that our analog temp gauge
> was creeping up close to the hash marks when we were stuck in traffic
[quoted text clipped - 3 lines]
> Which gauge is more likely to be accurate since they can differ by as
> much as 10 degrees? Please respond. Thanks.

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RicSeyler - 06 Feb 2006 16:49 GMT

When I did a T-Stat change not too long ago, before
I bled the air out at the T-Body & T-Stat housing
I heard slight boiling in the filler tank. Checked the analog
gauge and it was normal..... flipped over to the digital
and it was waaay high. So they apparently pick up data
at different places on the block.

>Like others on this forum, we have noticed that our analog temp gauge
>was creeping up close to the hash marks when we were stuck in traffic
[quoted text clipped - 5 lines]
>
>

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