Re: UrQ Bypass Valve - How To Add One.

[ANDREW FINNEY <afinney@bigplanet.com>]

Under hard acceleration you no longer hear the muffled thump as you let off
the throttle to shift up a gear. That thump was the turbo stalling as the
pressure wave rushed backwards. No exciting noises though. This is a bypass
valve, not a dump valve. This is a clean installation with no fuel dumping.
HTH.

Andrew Finney
1983 UrQ.

Martin Pajak wrote:

> ANDREW,
>
> > Voila. You have a bypass valve. Please email me directly if you have
> > questions. This is a 4 hour job or less, but it difficult to describe.
> > HTH.
>
> Just wondering how it was during a test drive.
> Any improvement noticable?  Any nice noises?
> How was the boost?
>
> Thanks for the explanation and tips.
>
> --
> Martin Pajak
>
> http://www.geocities.com/MotorCity/5939
>
> 1982 Audi Coupe Turbo (475,000 km) for sale
> 1982 Audi Coupe Quattro (155,000 km) Rally car
> 1983 Audi Ur-quattro (220,000 km)
> 1986 Audi 4000 S Quattro (367,000 km) with 5 bolt pattern
>
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