Audi: 1993 S4?

Curt,
Hmmmm..."head redone"....Blown t-belt? What kind of records does it come
with? Has it been modified (ie: chipped?)?
If the t-belt went, the engine would have bashed the valves - depending on
what the car and engine was doing at the time (static idle vs. high rpm
freeway driving), you could be looking at a car where the owner had the
service facility just slap it together to recoup some of the cost of a
super-expensive servicing. Those S4 engines are not cheap to fix...and are
even more expensive to fix properly.
If you are set on the car, have the engine thoroughly checked out - pressure
test the coolant system, and pressure test (both compression and leakdown)
the cylinders. Check (what little you can see of) the piston crowns to see
if there are any places where the valves struck. If the engine truly
ingested some of the valves, the hot side of the turbocharger is next
downstream (possible damage) and the resultant filings may gave migrated
into the cat (you might be able to have the cat pulled to verify this).
Does it have a K&N? Plan on replacing the MAF sensor.
They (like most of our older Audis) are great cars if maintained properly -
but money pits if treated poorly. You might be better to buy one with a
known history from an "enthusiast" (note that I don't mean a "boy racer")at
www.s-cars.org - higher entry fee, but years of worry-free motoring ahead.
Cheers!
Steve Sears
1987 Audi 5kTQ - DIY S-Car....not.
1980 Audi 5k - 5000S...hey, it's an "S" car!
1962 and '64 Auto Union DKW Junior deLuxes - S(low) car......
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