- Joined
- Jul 2, 2007
- Messages
- 5,294
--- 51,000 miles on car, 9000 miles on the oil. ---
Not sure about this. Iron seems high, even though Blackstone seems unconcerned. Boron most certainly gets used up because VOA's of this oil have shown boron @ over 200ppm.
No trending data because this is first oil analysis ever. Prior oil was Mobil 1 TDT and before that Castrol SLX Professional OE 5W30 (505.01), and before than Castrol TXT 5W40. Oil filter is VW OE bought at dealer parts counter (Hengst?...)
Should also be noted that about 2/3 those 9000 miles on the oil were urban/suburban short trips and most of that during midwest (cold) winter. Morning startups were after sitting in heated garage (garage temp @ 55 F on avg duiring winter) but only a 5 - 7 mile drive to her work, then cold parking lot start up at 5pm and short trip it home 5 - 7 miles.
Blackstone seems happy with it, so I guess I should be happy. Not sure I want to go for 11K miles on the new fill of this same oil, though. Maybe 8000 next time to match the universal avg they mentioned.