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Just downloaded the torque pro app and cruising at 68 unloaded for 1hr my ect temp was 190.4 and my eot was 202 .never went any higher...is my oil cooler on it way out.or is that acceptable
That is within the 15 degree limit. Barely. Flat ground on the test? I think 68mph is high for the test, but I do not remember exactly what the test parameters are. For me, I would be thinking about a flush/backflush of the cooling system to try and buy some time before needing an oil cooler. I didn't see anything about backflusing in the Tech folder at the top of the forum but there is a coolant flush procedure. I did find a thread that might help you decide.
Gold coolant .had it flushed the beginning of the year not knowing how bad the stuff is .I know I have to get that stuff out of there when the time permits