Quote:
Originally Posted by GOAT8U2
Oil Frothing, it's like a thin milkshake but not from Coolant.
During winter starts I make sure car gets to temp, 170 and beyond. Can't drive in January or February here, cold, salt etc.
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We run an oil temperature guage on the oil pan of our GTO and we have found with the engine running at 165 degrees on the highway driving at 55 mph, with little load (Flat ground no wind) in 60 degree weather, the oil temperature will stay around 180 degrees. Only when we put more load on the engine or the outside temperatures are in the mid 70's or higher will the oil temperature rise to 220 degrees which is where you need to be to get the moisture in the oil to boil off. Remember that water boils at 212 degrees.
Not everyone's engine runs as cool as ours does so others may have different results but the principles are the same. So under the conditions you described I would bet that your oil temperature is not getting above 220 degrees.
If the oil never gets hot enough (for long enough) the condensation in the pan and block is gets washed to the pan by the oil and whipped into the oil by the crank and oil pump, but the water never turns to steam and removed by the crankcase ventilation system. You would be much better off to install an oil pan heater or block heater to keep the engine above the dewpoint thus preventing any condensation from forming.
As always this is my opinion and along with a ten spot you can get a steaming cup of Joe just about anywhere.