[Biturbos4] several niggling issues

Brandon Rogers brogers at terrix.com
Mon Nov 13 18:27:13 EST 2006

Turns out my prob was TWO bad bypass valves.  The throttle response is
_much_ smoother now...

Now I have to attack all the other issues.  More posts coming!



-----Original Message-----
From: biturbos4-bounces at phoenix.audifans.com
[mailto:biturbos4-bounces at phoenix.audifans.com] On Behalf Of Richard van
der Hoff
Sent: Thursday, November 09, 2006 4:50 AM
To: Biturbos4 at audifans.com
Subject: Re: [Biturbos4] several niggling issues

Hi guys,

Firstly, Brandon - stick with it, once the issues are ironed out you'll
love the car. Every time I walk past mine I want to either stroke it or
take it for a drive :).


Brandon Rogers wrote:
> 1.  Throttle response - the engine is super-hyper-sensitive to 
> throttle input.  Can be jerky.  I am putting together a pressure 
> tester and hope to pressure test the intake in the next day or two.
> What are symptoms of bad (either 1 or 2) bypass valves?

Hrm - this rang slight bells, though given you're thinking in terms of
bypass valves, I guess it's not quite the same thing. The problem I have
is that if you're driving slowly with your foot off the gas, you then
can't put your foot on the gas without it suddenly lurching forward;
it's as if the first 1% of throttle travel is very sensitive. I'd always
just thought this was the way it was.



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