Oil analysis report at 18.6k miles - 09 Fit

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Mar 22, 2011 | 05:00 PM

#21

jadr09fit

Member

Joined: May 2009

Posts: 211

From: Western NY

Just sent in an 8800 mile sample on Mobil 1 0w-20. She who must be obeyed insisted we change it at 40% on the MM. Waste of expensive oil IMO. We'll see if Blackstone says to extend the change interval.

Mar 23, 2011 | 05:33 AM

#22

mkchiu

Member

Joined: Jul 2009

Posts: 85

From: CA

ED: Found "Roger's Fit" UOAs at 3.7% max:
Oil Analysis and the Fit

The next highest posted fuel dilution I've seen is 2.5%:
https://www.fitfreak.net/forums/1st-...tml#post896634

2x 1.7% were also Roger's Fit.

The next highest is 0.8%:
https://www.fitfreak.net/forums/1st-...tml#post623148

However, my own city idling GE8s have shown 2.8, 2.6, and 2.9%. They're only driven about 3.6K and <6K mi/yr.

Last edited by mkchiu; Mar 24, 2011 at 12:41 AM. Reason: Found Roger's Fit after reviewing and adding newer UOAs. Graphed likelihood of %fuel dilutions. Graphed frequency of fuel dilutions.