[Biturbos4] White smoke

Aurangzeb M. Agha ama-list at mltp.com
Tue Jan 27 20:43:43 PST 2009

I think frequency of oil changes was discussed on this list a while 
back--In fact, I might have brought it up.

Mark, I don't think there's any harm in changing more often than not, but 
if I remember the previous thread on the topic, I think most folks were 
changing around 6K or 7K.

I'm more likely to start moving to every 5K now that I have 100K on my 


On Tue, 27 Jan 2009, Mark R wrote:

:No, because every oil analysis I've done (not many) has been reasonably
:It takes destructive testing to really analyze.  I just think my frequency
:of oil changes are cheap insurance and has worked for many cars for many
:And how (environmental, too) the engine is used makes a big difference.
:Better to be conservative, in my opinion.
:Mark Rosenkrantz

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