Originally Posted By: Quattro Pete
Originally Posted By: bluesubie
a lot of WRX owners are running this because it's an SM "5W-30".
ESP 5w-30 is not officially API SM certified. XOM only says that it meets requirements of API SM. Not sure if the difference matters much though.
gpshumway picked some up in Canada that was labeled as Resource Conserving.
-Dennis
Originally Posted By: bluesubie
a lot of WRX owners are running this because it's an SM "5W-30".
ESP 5w-30 is not officially API SM certified. XOM only says that it meets requirements of API SM. Not sure if the difference matters much though.
gpshumway picked some up in Canada that was labeled as Resource Conserving.
-Dennis
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