Sorry, I'm not following. What is "bearing wash"? It sounds like metal
deposits from the bearings being worn. Why is #4 such a problem? I only
have a couple grand invested in the car to begin with. Can I drive it this
way without hurting it further?
Assuming that it has a lot of miles on it, you are probably better off
getting a rebuilt engine or rebuilding yours. I suspect that you have a lot
more problems than just some valves not closing properly.
You should make sure your problem is the valves. The 3.8L
is not known for valve problems. It is known for head
gasket failures. Assuming you mechanic has properly
diagnosed the problem, a valve job in the SE US can be done
for around $900 at a decent independent shop and in the
$13-1500 range at a dealer. If you have a head gasket
proble where the engine has lost coolant or has run hot, you
likely have damage to the crank bearings which pretty much
calls for a complete overhaul. I don't know about where you
are but in my part of the world, a good running '94 Taurus
can be had for under $1000. The 3.0L V6 is a much more
bullet proof engine that does not carry the baggage of
persistent known failures.
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