On Jul 26, 10:30*am, ACAR > wrote:
> how can you suggest that Honda's on-board maintenance minder
> is the last word in maintenance when you do not know what algorithm it
> uses to calculate oil change frequency?


Used oil analyses (UOA) support the computations of maintenance
minders, per

http://www.dtsc.ca.gov/TechnologyDev...il-Filters.cfm

http://www.flmowner.com/Storage/Comm...IOLM%20FAQ.pdf

http://www.ganoa.org/Motor_oil2.htm

UOA has been used for decades in other transportation industries and
is a proven method of maximizing machinery life while minimizing the
expense of oil changes.

(Thanks to others for the first two citations above.)