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Discussion Starter #1
Is it possible or even a good idea to run a cooler T-stat in my '03? If so, what temp and where can I get one?

Thanks, Matt.
 

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Hood Rich
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why would you want to do that
 

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Discussion Starter #3
Assuming, like most engines, cooler is better. Especially in the emissions happy world we live in, most engines today run hotter than they need to.

Maybe it's not a good thing on these engines???
 

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Hood Rich
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first off... cooler is not better...
 

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Running cooler my use more fuel, the stock Ford t/stat start to open at 192.2* and is fully open at 219.2* so cooler is not better.
2 stroker
 

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now a days diesels run a bit warmer and run better. My ECT temp is always staying in the 188-190 range and the EOT is always 190-195 range.
 
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