[Biturbos4] White smoke

Mark R speedracer.mark at gmail.com
Tue Jan 27 19:45:00 PST 2009


No, because every oil analysis I've done (not many) has been reasonably
good.

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
years.

And how (environmental, too) the engine is used makes a big difference.
Better to be conservative, in my opinion.

Mark Rosenkrantz

On Tue, Jan 27, 2009 at 10:26 PM, Wilson Northrup <northrup at crazybug.com>wrote:

> have some data to justify your 3k?
> seems to me, most people that do, don't agree.
>
>
>
> On Tue, 27 Jan 2009, Mark R wrote:
>
> The oil is going somewhere.  Probably a turbo seal.  =(
>>
>> Oh, and I might get flamed... but 7K miles between oil changes is far too
>> long for a 2.7 biturbo.  Personally, I recommend (and use myself) 3K mile
>> synthetic oil changes for turbo engines... and 5K for normally aspirated.
>> Except my Z06.  With high oil temps on the track, it gets changed after
>> every event.
>>
>> Mark Rosenkrantz
>
>


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