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1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

average coolant temp

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Old Feb 21, 2010 | 08:18 PM
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tltruckparts's Avatar
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Diesel Bomber
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From: Lincoln, CA
Default average coolant temp
just curious. after completely warmed up and driving, what is the temperature these run at.

i could tell you my tahoe runs at 190 dead on the money. but what about a 12 valve?

thanks
 
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Old Feb 21, 2010 | 11:08 PM
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From: Havre mt
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mine runs 190 also
 
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Old Feb 22, 2010 | 12:25 AM
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ya i got somethin funky going on then. even with the thermsostat out it still runs at 210. and with it in it wont go below like 230
 
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Old Feb 22, 2010 | 08:38 AM
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ya thats a bit high most of the time mine would pop around 200 then run around 180-190
 
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