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Subject:Re: vw vanagonoil spray
From:Doktor Tim
Date:Thu, 24 Jul 2003 07:10:39 -0700

At 06:16 AM 07/24/2003, you wrote:

>Can't comment on the oil spray part of your question, however,
>a failed water pump on a rebuilt 1.6 diesel with 12k on it
>forced me to replace the engine. I did so with a new VW NA 1.9,
>there is only 11k on it at present but it doesn't seem at this point to have
>much more zip than the 1.6 had. It does seems to be a bit smoother
>but not much more power.

Know that if you used the worn 1.6 injection pump on the 1.9, it explains
the power issue. Even the injectors should be higher flow. Is VWOA like
Mercedes and supply all their replacement long blocks with reman pump with
time of delivery pegged?? Still, check that the injectors are correct part
for 1.9. For sure, you will need the 1.9 injection pump or you will be
running at 15% less fuel flow then the 1.9 needs to give it's full design
power. Also, point of delivery must be verified. Off by more than a few
degrees can explain loss of power.

For diesels particularly, it is correct procedure to rebuild both the motor
and pump as they typically wear out together. Just as the cylinders lose
pressure from wear over time, so does the pump continually lose fuel
delivery pressure/volume from wear over time.