C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

1990 temperature

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Old Apr 18, 2009 | 06:03 PM
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Default 1990 temperature

HELP!!! On the road, my temperature runs great. It runs at about the 1/4 position or about 185 degrees. However, when idling for even short periods, it will warm up to over 3/4 of the entire gauge or somewhere around 230+. Is there a problem?

Last edited by dr_maddox; Apr 18, 2009 at 06:09 PM.
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Old Apr 18, 2009 | 06:40 PM
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Sounds about right. On my '93 LT1, the primary should engage at ~226 (coolant) ~228 (oil) and stops when the temp drops by ~5 deg. The secondary should engage at ~234 (coolant) ~235 (oil).

I'd let it idle one day and verify the primary is operating for peace of mind.
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Old Apr 18, 2009 | 07:44 PM
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No, thats perfectly normal behavior.
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