Quote:
Originally Posted by Matt
The OLM has a specific set of constants to use during its calculations. One of those constants is the type of recommended oil. In cars like the CTS-V, the OLM is actually designed to only presume synthetic is in the car. On a Cobalt, it's always gonna presume there's dino in there.
But you're right, when a cobalt owner switches to Mobil 1, a common solution is to go through 2 cycles of the OLM, which pretty much defeats the whole purpose of system. (and should even make you question its validity)
Here are some of the variables that systems such as the OLM use to determine the remaining "life" of your oil:
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Huh -- neat. Well, if it can get meaningful data from those tests then, yeah, it might work pretty well after all, even if you switch types of oil.
I guess one thing you could do is take an oil sample, send it for a UOA, and then compare and contrast. If the car's analysis maps on well to the UPA, you're probably good to go from that point on.
WarmandSci, what do you think?