[s-cars] Bypass valves

Igor Kessel igor at s-cars.org
Tue Nov 5 10:19:05 EST 2002


CLAG500 at aol.com wrote:
>
> In a message dated 11/4/02 8:17:48 PM Central Standard Time,
> s-car-list-request at audifans.com writes:
>
> << From: HoosierMP at aol.com
>  Date: Mon, 4 Nov 2002 19:16:09 EST
>  Subject: Re: [s-cars] (no subject)
>  To: JShadzi at aol.com, pizzoman at yahoo.com, S4audinut at aol.com,
>     kai at krbtrading.no, Audi20V_Kruemmer at egroups.com,
>     Audi5zylinderturbotechnik at yahoogroups.com, joern.amundsen at online.no,
>     s-car-list at audifans.com, aelreds at lineone.net, tommy.arnberg at nokia.com
>
>  --
>  [ Picked text/plain from multipart/alternative ]
>  In a message dated 11/3/02 3:10:09 PM US Eastern Standard Time, JShadzi
>  writes:
>
>  > I've been using the piston 0-ring Forge Valves for about 3 years, never had
>  >
>
>  I can tell you with relative certainty that after three years the Forge valve
>  piston is hanging up in it's bore. If the car stumbles between shifts under
>  load the piston is hanging up.
>
>  The lube gets dirty and causes the excess friction
>   >>
>
> Would have to agree with Richard. I've had mine apart twice now. I also
> polished the piston inside to a mirror finish. I would consider the cleaning
> and lubing regular maintainence on these valves. Mine was very gummed up the
> last time. Works much better than a Bosch when it's all lubed up though.
> Makes a nice pshh when you let off the gas.
>
> Chad Tobin
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So what's the consensus on the best bypass valve, gentlemen? The
TurboXS?
I am still on the original Bosch, at 22psi. Not good.

Also, I recall comebody posting some rather convincing arguments as to
why a blow off valve may not be causing the damaging enrichment spikes
as we all have grown to believe. Am I missing something?
--
Igor Kessel
two turbo quattros



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