Phil Rose pjrose at frontiernet.net
Fri Jun 21 11:08:32 EDT 2002

I'm surprised that one else has chimed in on this topic. Does this
mean that Claus and I are the only ones who have seen the boost gauge
needle "flutter" while at maximum boost level(s)??? If others have
seen flutter of about +/- 0.5 PSI, has it been traced to a pressure


At 6:26 PM +0200 6/19/02, Claus Vegener wrote:
>I have seen it without use of wgfv too at max boost
>(using a spring load to 2.5 Bar) and when this happens
>normaly found a minor leak - or a bigger some days later.
>Wormgears around rubber hoses make an elastick tightning. At one
>point the break through starts and
>when the pressuer are released it seals again -- I think.
>I have had 2.7 Bar without flutter.
>I  T-on my gauge just before the gasolin trap.
>I have had 10 psi flutter / 1 sec = lose wormgear
>I have had +/- 0.5 psi 3 times/sec for smal leaks close to
>idle system
>----- Original Message -----
>From: "Phil Rose" <pjrose at frontiernet.net>
>To: "Claus Vegener" <vegener at post7.tele.dk>
>Cc: <200q20v at audifans.com>
>Sent: Wednesday, June 19, 2002 6:04 PM
>Subject: Re: 'Dis ... (NOW BOOST PROBLEMS)
>>  At 5:10 PM +0200 6/19/02, Claus Vegener wrote:
>>  >----- Original Message -----
>>  >From: "Claus Vegener" <vegener at post7.tele.dk>
>>  >To: <maximum at weetamoo.com>
>>  >Sent: Wednesday, June 19, 2002 5:09 PM
>>  >Subject: Re: 'Dis ... (NOW BOOST PROBLEMS)
>>  >
>>  >
>>  >I have not followd you all the way -
>>  >Have you checked hose-fittings and IC endcaps with
>>  >airpressure on the system?
>>  >High pressure released under an untight wormgear
>>  >at 1.6 Bar and then building up again ...
>>  >With an anologous boost meter you would like'ly se some flutter when
>>  >this happen.
>>  >You need the meter anyhow so install it before you spoil your rotor.
>>  With my analog boost gauge I see some high-freq. flutter--i.e., the
>>  needle "blurs" over a range of +/- 0.5 psi --but only while
>>  maintaining max boost of about 17 psi. I've been assuming that just
>>  indicates normal operation of the wgfv. Are you referring to another
>>  sort of flutter (slower)?
>>  Phil
>>  --
>>  Phil Rose
>>  Rochester, NY
>>  mailto:pjrose at frontiernet.net


Phil Rose
Rochester, NY
mailto:pjrose at frontiernet.net

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