Engine got warm-didn't get real hot!

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  #1  
Old 12-21-05, 04:25 PM
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Join Date: Oct 2005
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Smile Engine got warm-didn't get real hot!

My truck is 77 GMC 250 6 cylinder with standard head(integ- head-gone). On this date my temp light came on and the bubbling started.
Immediately I got off road and let engine cool. Filled overflow jug and then cranked engine....Did not put water on hot engine... Drove home with heater on for continuous flow. No problems enroute to the house.

When I arrived home there wasn't any loss of water in overflow jug. No noticeable leaks on ground, sounds or smells around radiator. Have been noticing a valve pinging-timing a bit high. Could this cause coolant loss? Where do I start to rectify this problem? What is best aftermarket temp analog gauge for this application?

Thank you for your time and suggestions,

Happy Holidays and Happy New Year to all!
 
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  #2  
Old 12-22-05, 04:21 AM
bubbas1
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The first thing I would check out would be the thermostat. Cheapest and easiest. Pull it out and drop it in some boiling water. It should open up. When you remove it, the thermostat should close as it cools. If it dosent open ( or open all the way)..replace.
 
  #3  
Old 12-22-05, 05:27 AM
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Join Date: Nov 2001
Location: North Texas
Posts: 2,345
Guage

I like stewert warner guages built like a tank like your truck.
 
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