Yes, temperatures are definitely much lower here now - using the heater a bit - engine temp gauge is reading lower, too. So I guess 3 possible factors: 1) cooler temps, 2) new tires, 3) different gas.
Also, there have been a couple time I was running late & had to go faster than I normally would have. I'm sure that didn't help, either...
Guess I'll go back to the original gas station, except I might be chasing a moving target now, with temps continuing to drop, etc. May be changing to the 0-20 oil soon, too...
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