Tom Young <young@Sherlock.SIMS.Berkeley.EDU> wrote:
>
> Al:
>
> I'm very certain that the FI being too lean is not the problem.  I've
> checked it several times with the O2 sensor (at idle) and the engine
has
> absolutely never run hot.  I've used the "dipstick" test after long
> freeway runs (though the car is basically an "around town" car) and
the
> dipstick hasn't even been warm to the touch, let alone hot.
>
> On Wed, 30 Jun 1999, al brase wrote:
>
> > I'd be really concerned about why a 28,000 mile valve snapped off
its
> > head. Possible reason:

Considering the source of your engine, I'd bet that that valve had a
lot more than 28,000 miles on it when it failed.  If a part is within
wear limits, by any amount, it will go into the engine.  Most VWs are
resold rather often, so it is seldom that the buyer of the "rebuilt"
engine will drive it far enough for it to fail.  You are obviously an
exception.

Your engine life isn't exactly untypical for a GEX rebuild.

George
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