Quote:
Originally Posted by Tomyyyu
Looks like it’s pretty well understood 0W-20 (the recommended oil) gets thin at high temps based on its viscosity.
Spoke with a gen 1 owner who mentioned only in the summer when doing track and autocross days he switches to 5w30 in stead of 0w20. Anyone doing the same by chance? His cars at 100k+ of beating the hell out of it.
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Plenty of people update to 5w-30 or 0w-40 and sometimes more in hot weather seasons or especially track and autocross. There's also plenty of people that just sit at 0W-20 forever (mostly folks who don't see the track). It really depends on your use of the car. But 5W-30 isn't a huge step up from 0W-20 and is perfectly acceptable. It is even mentioned in the manual if you are so particular about that stuff.
My main use has currently been daily driving my BRZ, so I haven't bothered switching to a higher weight oil. I tried it one summer, noticed basically no difference in oil temps, and decided to go back to 0W-20 and have stuck there since.