Want to see some high fuel dilution/low viscosity in Subaru turbos? Wait until the 2015 WRX DI uoa's start coming in. I presume a lot of this info, but I think I'm in the ballpark based on our discussions on nasioc. Now that the OP has an idea of how long to run this oil, running a robust 5W-30 in an application known not to be kind to bearings running lower viscosity, lower HTHS oils probably helps him sleep better at night. Even though we know GC is a robust oil, a dealer or SoA would likely say that 0W-30 isn't an approved viscosity in the event of a Powertrain claim. Again, I believe it's moreso to stick with the manual recommendation of SM/SN 5W-30. The 2013 isn't direct injection (that comes beginning with the '15 WRX and '14 Forester XT). ESP, although primarily Group III oil, has good amount of Ester, which is acidic from start. But, stick to 5K not more.Īlso, do not worry about TAN. If WRX is direct injection M1 ESP is, if you ask me, best option. Better cold start, just notch thicker then ESP, and it is Full-SAPS. On other hand, if you want thicker 30 weight, and considering you live in same area like I do, I think MUCH better option would be GC 0W30. I am using M1 ESP 5W30 because of valve deposits on VW DI engine. The oil is not suitable for use in heavy trucks. Is this WRX direct injection? If it is not, why you using Low-SAPS ESP? Recommended for cars: ACURA, INFINITI, LEXUS, NISSAN, MITSUBISHI, SUZUKI, TOYOTA, HONDA, SUBARU, HYUNDAI, KIA. Temperature for Viscosity of 150,000 cP Min. Insolubles % 0.2 0.3 0.1 0.3 0.4 0.2 <0.6 TABLE 2 SAE J306 Viscosity Grades for Axle and Manual Transmission Lubricants (2) SAE Viscosity Grade Max. Then added tgvd egrd ebcs and intake and Protune from BrenTuning at 20k. This number is known as the SAE (Society of Automotive Engineers) number and is measured in Centistokes (cst) at. The recommended motor oil for all Subaru. He specifically requested that I use Rotella T6 5W-40 in the car. The absolute or dynamic viscosity is equal to the kinematic viscosity, multiplied by the density of the fluid. Usually, centistokes (cSt) is used (1 cSt 0.01 St 1 mm2/s). ILSAC (the carmakers association) will not certify or recommend anything thicker, so you wont see the starburst on anything thicker, and in most cases should. Oil- Factory Fill - Edge OE 5w30-Pennzoil Platinum 5w30- Pennzoil Ultra 5w30- Mobil 1 ESP 5w30- Mobil 1 ESP 5w30- Universal Averages Both times they have used 0w20, even if the best viscosity is 0w16. The SI unit for kinematic viscosity is one meter squared per second and is equivalent to 10,000 St.
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