How to check for sludge ?

[thejimrose]

yea i had the crank exposed last year to do the clutch and rear main seal.
1.8t with k04 and ecu for 90k miles [170k ish total]:

http://picasaweb.google.com/thejimrose/Audi#5534630607544730834

http://picasaweb.google.com/thejimrose/Audi#5534630607424569506


On Mon, Nov 1, 2010 at 10:00 AM, George <gsidman at webloq.com> wrote:

> As a data point, I have owned my '91 200 Avant from new and after the 50K
> warranty period, I switched to Mobil 1 synthetic. I have always run 15 to
> 20
> K miles between oil changes and changed the filter every time. At 308,000
> miles I replaced the valve cover gasket ( second time).  That exposed the
> top end, which was clean as a whistle. (I do live in the temperate climate
> of Monterey, CA.)
>
> A few months ago I pulled the injectors for the first time and sent them
> off
> to be reconditioned. The plotted condition showed a 1.5% difference between
> pre and post rebuild.  Recently 034 did some work which included putting
> the
> car on their dyno. It came in at factory spec for horsepower and torque.
> So,
> at 313,000 miles the combo of synthetic oil, regular doses of fuel system
> cleaner, and other routine maintenance, does pay off...........
>
> Not sure what this means in the dino/synthetic discussion...............
>
> George Sidman
>
>