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Girlfriends car. I took the sample at the oil change and ran this analysis. Daily driver to work, mix of bumper to bumper city driving and some highway. Located in Miami, Florida. Approximately 1200 miles were on road trips. Refilled with Supertech Synthetic 10W-30 and used a Purolator Premium...

I thought I was a bit crazy when I stocked up on 16 quarts M1 0W-40 for my MB. Then I found this board and found out I was total lightweight! This board has encouraged me to hoard more motor oil. The recent price hikes for motor oil just make the hoarding strategy seem like an inflation hedge...

My sisters Lexus IS 300 Sportcross (wagon). It has the inline 6 Toyota engine. 70% city, 30% hwy in Miami, FL. I am pretty sure I used M1 SS (not EP) for this sample. I refilled with 5.6 quarts of M1 10W-30 EP. I also drained out 3 qts of trans fluid and refilled with T-IV as well as drained out...

Blackstone Comment: We don't know where the silicon is from, but with wear reading perfectly normal, the silicon is not abrasive dirt. It is silicone compound of some sort. Universal averages show typical wear metals for an oil from this type of engine after about 4805 miles run on oil. Your oil...