|  Changing single oil cooler to duel  | 
|  02-15-2020, (Subject: Changing single oil cooler to duel )  Post: #25 | |||
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| RE: Changing single oil cooler to duel  Most highway trucks in Australia run at around 64T (140,000lb) and I haven't seen a new 600hp engine with dual coolers since the cm570 was phased out. It sounds like you had a bad oil thermostat and you've fixed it. If it's not a bad oil t/stat it's usually a coolant temp issue or overly advanced timing in a poorly deleted ECM file. Also remember, the coolant cools the oil - So once everything is at running temp and under load, oil will always be warmer than coolant. They shut down at 125 Celsius/ 257 Fahrenheit. | |||
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