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Old 02-05-2014, 03:38 PM   #13
Ron/IA
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Join Date: May 2010
Location: Amana IA
Posts: 527
Default Re: Thermostat - Which One?

Maybe others can give more details on cold versus hot engines, but I believe when the engine is running at the higher temperature; combustion is more complete. Also, the oil temp is higher and it flows more freely providing better lubrication.

The thing I was wondering about is the temp in the block being high enough to keep acidic fluids from not being dispersed. Thus causing premature damage to crank and connecting rod bearings. I know the crank-case temp doesn't get hot enough on short runs where the engine water temp doesn't reach maximum. (I hope that makes sense.)
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Ron/IA
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Last edited by Ron/IA; 02-05-2014 at 04:28 PM.
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