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Hi Slowmover,
Sounds like you're reading the site today so I'll chance another question!
This one related to our thermostats.
I am running the Dodge dealer thermostat and my temperature is very stable but always below half mark on the dash guage so I just installed a Scanguage II and sure enough, reading is consistent at 182-184 F.
I have read many say that we would gain mileage by running closer to 200 F and many posts seem to indicate that our OEM thermostats are 190 F so I changed the thermostat thinking it was operating lower than spec and installed a new dealer thermostat, I don't want a NAPA, bad reviews. Results are still giving me a low 182-184!
What are others runing the 5.9 L Cummins seeing?
Is there a Cummins part # for a 190 or even 195 F thermostat for our engines?
Thanks
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