[Biturbos4] White smoke
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
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.
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
More information about the Biturbos4