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not sure why everyone is trying to cool down a Diesel engine, please remember how they work, these are not gas engines.I have direct reading auto meter gauges in both of my cucv's taking a reading off the water pump. Both read below 180 hear in Colorado. To me it seems like the typical cucv with a good functioning cooling system runs on the cool side. I'm considering changing the tstats over to 160 degree units so I get some more heat.![]()
you need fuel, air, heat and pressure....thus the heat makes for efficient combustion. It's not healthy for the engines to not reach operating temp. In the case of the 6.2, 6.5NA and 6.5TD, it's 195-210.
the Tstat on the 6.2 and 6.5 is 180 deg...
another disturbing trend Im seeing is the amount of work people are doing on the cooling system because of gauge readings...I cannot say it any clearer, check the temps with a laser or thermometer. These gauges are way off.
i cannot tell you the number of calls per week in the shop I get...and even after telling them to spend 20.00 at harbor freight for this tool, they end up replacing half the cooling system and 3 days of work or more....then and only then do they find that the temp is actually about 185-205.