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

Temp Rollercoaster

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Old Aug 28, 2004 | 10:11 PM
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From: Overland Park Ks
Default Temp Rollercoaster

I was driving home from a cruise tonight and got some funny temp readings. I idled out of the display area in town for about two blocks and my temp stayed at 196. I pulled out on to the Interstate with moderate acceleration and the temp spiked quickly to 208 and stayed there until I left the highway. I checked my radiator entrance that has wire cage protection and found it unobstructed. I got back in the car and the temp had dropped in a matter of 90 seconds to 198. I drove again through traffic with a normal temp and it stayed that way until I again hit 70. It creeped right up to 208 and stayed. Any ideas as to causation? By the way I have a new Mezaire water pump. Have been running it about 9 hours since new. No problems till tonight.

Last edited by Pony_Express_Driver; Aug 28, 2004 at 10:24 PM.
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Old Aug 29, 2004 | 12:07 AM
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St. Jude Donor '06
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The radiator could be limed up inside and causing the temp rise.
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Old Aug 29, 2004 | 12:30 AM
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Your temps are nothing to be alarmed at and are probably better than average for an LT1. Remember, the electric pump runs at a constant speed so things are going to act a little different than before.
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Old Aug 29, 2004 | 12:34 AM
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From: eville in
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what the thermostat set for???
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Old Aug 29, 2004 | 09:18 AM
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From: Overland Park Ks
Default Thermostat

The thermostat is a stock unit. Come to think of it, it is 5 years old.
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