I have not seen anything "official", but I have been told by two different
"oil change" shops that the recommended interval for pure synthetic (not
blend) is 50k, as opposed to every 30k with conventional oil.
To be honest, I have run Mobil-1 synthetic in my Dak since day one....and I
still replace it every 30 k or so....I figure the synthetic gives me a
little room incase I miss an oil change for a bit.
By the way..........Mobil-1 has a number of different wts....anywhere from
10W-30 to 15W-50. Any reason NOT to use the heaviest, widest range oil wt.??
""Sevrence, Sean (S.J.)"" <ssevrenc@visteon.com> wrote in message
news:200108271427.f7RERSr09237@dymwsm12.mailwatch.com...
> Hey Guys!
>
> Using synthetic oil, I understand we can run that oil longer than
> traditional oil as long as we change the filter at normal ranges. My
> question is what is a good distance for the synthetic oils before draining
> and refilling? Ron Wong mentioned he was going to have the oil tested at
> each 5k interval (I believe that was the distance). Any update Ron?
>
> Any thoughts and knowledge appreciated. Thanks!
>
> Sean
> '92 RC Sport 3.9L 5spd - 250,000mi!
> '01 CC SLT+ 4.7L 5spd 3.92 LSD Mobil-1!
> http://www.twistedbits.net/WWWProfile/dakota/DnuuSncssJujU
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