oil temp debate

wstar

I use Motul's 300V racing oil, and it's known to be more hygroscopic (water-attracting/trapping) than most consumer oils, as well as low on detergents. It does need to be regularly heated to keep from building up moisture, which will make the oil acidic. In general it's probably really not a good oil to use for normal long change intervals (months), or a car that does short cold trips and/or sits idle for days, or gets parked outside in cold weather (condensation). It's also kind of expensive.

All those negatives aside, it's a very high quality oil, and it's manageable if you're willing to get the oil over the 212 mark regularly, garage the car, and change at 3K like clockwork (or shorter if you're not putting on many miles per week, or the oil gets abused by track conditions).

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