[Biturbos4] White smoke

Wilson Northrup northrup at crazybug.com
Tue Jan 27 19:26:34 PST 2009

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
> On Tue, Jan 27, 2009 at 12:10 PM, Aurangzeb M. Agha <ama-list at mltp.com>wrote:
>> Hi Greg --
>> Yes, I am in fact somewhere very cold: just nort of you in Western Mass.
>> This is really intersting.  Thanks!  I'm going to definately keep an eye
>> out to see if this issue happens again (it's hard not to).  Here's what's
>> happened since I last posted:
>> I took my car to my regular mechanic, and after driving it around for a
>> while and checking the car out, he called saying that basically there's no
>> oil showing on the dip-stick.  This, after I'd gotten the oil changed just
>> two days before.
>> Here's *his* theory: Oil in the engine gets thicker as it's used more.
>> Since it's been 7K since my last oil change *and* since it's been so cold,
>> he thinks that after the oil was drained and the new (thinner) oil was put
>> in, it "seeped into places the older, thicker oil hadn't been in" and this
>> might have caused the huge smoke output.
>> Does that sound legit?  I don't know.
>> Does it work for me?  I drove the car around yesterday after more oil was
>> put in the car (to top it off) and in to work this morning, without issue.
>> So, for now, "yes".
>>        Aurangzeb
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