Quote:
Originally Posted by autosenses
Yeah, I autoX once a month during summer months. Not sure if I should switch over or keep my OEM weights? I'll figure it out... I don't drive the car much, only on weekends to get bagels or breakfast for the wife and kids- which I look forward to all week.
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If it's just one a month, 0w-20 is fine. Just about everyone here running gen 2's runs 0w-20, including top-dog national level drivers. They push their cars hard.
I've run 0w-20 in my 2017 the last 3 seasons. This past Saturday, we did 12 (yes, 12) back to back runs at the Starting Line School on a ~35 second course. My oil temp gauge stayed around 235 and I'm surprised it didn't go much above that considering 12 runs with about ~1 minute in between each is a lot. At normal events, it rarely gets above about 220 by the end of a run and cools down to ~200 before the next.
I do recommend a "better" oil if you are autocrossing though. I run Motul, but Redline, etc... IE, an oil you're probably going to pay a bit more for, but might resist wear over the longer term better than OEM.
Track days are when you need to start looking at 5w-30's. From what I can tell through my testing, you won't get the oil hot enough during even repeated autocross runs to warrant any pressure benefits from the 5w-30.