Reply to "How to Select Motor Oil"

larswpMember

quote:
Originally posted by hwhite1:
quote:
Originally posted by Admin:
To kick-off Noria's new message boards, we're giving an electronic copy of Jim Fitch's new book _How to Select a Motor Oil and Filter_ to the first 10 visitors that register and post a question, tip or case study (relevant and meaningful posts only ) to our new boards.

Does anyone have real experience with "extended drain intervals" with synthetics?

I run a Mobile lube business and use synthetic oils. I do a lot of instant spot checking using the "Lubrisensor" and send many samples to a lab to be verified. I personally have not taken anything beyond 50,000 miles. Have seen 30-40,000 miles backed by analysis before changing. I guess that's extended.

2/13/0411:26 AM

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